During the Classical era, which development reduced the risks associated with travel and stimulated long-distance trade?
a. States created large armies assigned to protect traveling merchants.
b. Rulers invested heavily in the construction of roads and bridges.
c. Merchants bypassed land travel in favor of shipping goods by sea.
d. Treaties and agreements on trade were concluded between empires.

Question

During the Classical era, which development reduced the risks associated with travel and stimulated long-distance trade? 
a. States created large armies assigned to protect traveling merchants.
b. Rulers invested heavily in the construction of roads and bridges.
c. Merchants bypassed land travel in favor of shipping goods by sea.
d. Treaties and agreements on trade were concluded between empires.

anonymous · Answer

C. 
Sea trade opened whole new doors for long distance trade. Especially for gathering spices and other product from Asia and India.