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. . . submarine attacks upon merchant ships .
maryland farmers and ship builder helped the revolutionary war because the farmers helped produce food for the soldiers and the ship builders helped the soldiers by building them ships to fight on and a place for them to shoot there canyons to the other ships.
ships and railroads
American luxury ships worked together with the Triple Entente navy. A few luxury or goods ships would be grouped together with a naval ship, and the naval would provide a sort of "protection". This way, German U-Boats would less likely to attack and sink the luxury liners or goods ships.
They had difference ships. The chinese had much better ships than the Europeans
The main accompaniment of exploration was technological advancements, such as improved navigational tools, better ships, and the development of new trade routes. These innovations allowed explorers to venture further from home and discover new lands.
Primarily, ships.
The use by British and the Americans of a convoy system (40-70 ships) and the development of more effective anti-submarine weapons such as depth charges and radar helped protect Allied merchant ships.
Bronze Age technology allowed for the development of advanced tools and weapons such as swords, axes, and plows, which improved agriculture and construction. It also facilitated the creation of elaborate jewelry, pottery, and art, as well as advancements in navigation and the construction of ships for trade and exploration.
A famous group of three ships were the Santa Maria, the Nina and the Pinta, the three ships Columbus used on his first exploration.
The address of the Ships Of Exploration And Discovery Research is: 39 Condesa Rd, Santa Fe, NM 87508-8136
Some major inventions that helped make colonization easier include the compass for navigation, gunpowder for defense, ships like galleons for transportation, and agricultural tools for farming in new territories. These inventions played a crucial role in facilitating exploration, conquest, and settlement of new lands during the Age of Exploration.
The ships that Vasco de Gama used for exploration were power by the wind.
astrolabe: an instrument that measured the position of the stars. caravel:sailed faster than earlier ships and carried more weight better maps
What were the three major technological advances that made it possible to explore the world from the 15th to 17th centuries? The five major advancements of the Age of Exploration were the astrolabe, magnetic compass, caravel, sextant, and Mercator’s projection.
viking ship designs