The Great Wall of China is the human-built feature that marked China's northern border. It was a series of defensive walls and fortifications constructed to protect the Chinese states and empires against invasions by various nomadic groups from the Eurasian Steppe.
The Mediterranean sea is located west of Canaan.
The Northern Border is marked by the northern edges of the United States, including states like Washington, Montana, North Dakota, and Minnesota. Various geographical features such as rivers, mountain ranges, and lakes run along this border, providing natural boundaries between the U.S. and Canada.
Pennsylvania is bordered to the east by the Delaware River and New Jersey. To the south, the border is delineated by the Mason-Dixon Line, separating it from Maryland and Delaware. The western border is marked by the Ohio River and the northern border adjoins New York, New Jersey, and Lake Erie.
The border between England and Scotland is marked by a boundary line known as the Anglo-Scottish border. This border is mainly delineated by the Cheviot Hills and the River Tweed in some areas.
The line that separates the richer north from the poorer south is called the "Mason-Dixon Line." It historically marked the border between the Northern and Southern states in the United States along the lines of slavery and agriculture.
The northern border of the Roman province of Britannia was Hadrian's Wall.
The Republic of Texas extended up into the current state of Wyoming. The Red River and the Arkansas Rivers marked some of the boundaries.
The Mediterranean sea is located west of Canaan.
Wyoming which is the largest populated state
The Northern Border is marked by the northern edges of the United States, including states like Washington, Montana, North Dakota, and Minnesota. Various geographical features such as rivers, mountain ranges, and lakes run along this border, providing natural boundaries between the U.S. and Canada.
The northern border between Georgia and Azerbaijan is primarily formed by the Greater Caucasus mountain range. This natural barrier extends along the northern edge of Georgia, creating a distinct geographical boundary with Azerbaijan to the south. In addition to the mountains, the border is also marked by various rivers and valleys that characterize the region's diverse topography.
Hadrian's Wall was a wall which marked the border of the Roman Empire in northern England. It is named after the emperor Hadrian, who commissioned its construction.
The northern border of the Republic of Texas was marked primarily by the Red River, which served as a natural boundary between Texas and the neighboring territories, particularly the United States. This border was part of the Republic's larger territorial claims, which included areas that would later become parts of multiple states. The boundary was a point of contention, especially during the period leading up to Texas's annexation by the United States in 1845.
The Mason Dixon Line which has come to symbolize the cultural boundary between the Northern United States and Dixie.
Pennsylvania is bordered to the east by the Delaware River and New Jersey. To the south, the border is delineated by the Mason-Dixon Line, separating it from Maryland and Delaware. The western border is marked by the Ohio River and the northern border adjoins New York, New Jersey, and Lake Erie.
The geographic feature that forms the border between Arizona and California is the Colorado River. This river flows southwest from the Rocky Mountains and serves as a natural boundary between the two states for much of its length. Additionally, the border is marked by various reservoirs and lakes created by damming the river, such as Lake Mead and Lake Havasu.
Most of the northern borders of the empire in Europe were marked by the rivers Rhine and Danube. Dacia (Romania) was a Roman province beyond the Danube, but it was also given up by Aurelian between 271 and 275 due to continuous attacks from outside . The Romans had lands beyond the Rhine in Germany, but they were given up in 340-341 by Constans for the same reasons. Thus, eventually these two rivers became the whole of the northern frontier. The source of the Danube is close to the Rhine The above only takes continental Europe into consideration. However the Roman empire extended much further north into Scotland. There were rivers there and the Romans had marching camps as far north a the Firth of Clyde and the Clyde river and even further up to the Amrick river.