Yer
It was just culture
migration
Beijing and Chang'an
ancient Egypt's economy was based on agriculture and trading in surplus produce. Trade helped them expand there civilization.
traveling helped to expand the culture and to get minerals and objects to survive.
Rome is an international center of trade, culture, and religion
Many cultures did such as ancient Greece, ancient, Rome and other great ones too.
chinas earliest settlements were the water, food, and trade routes.
Rome and Egypt are probably the most richest. Because of their great culture and innovations, their resources, their strong military, their abilities to expand and defend their boundaries, their Strong Education Program, and their government structure and laws that protected the citizens.
Well ancient romens travelled to conquer other provences and empires (countries), for riches and trade and to expand the empires (countries).
The only reasons to expand trade is for money (profit) and power.
Ivan The Terrible Opened Trade routes and expanded culture to other countries, which helped him expand his army.