What is west africa technology from 600-1450?

The period of 600-1450 saw a large increase in volume of long distance trade.

Explanation:

Overland trade included luxury goods, such as silk and precious stones, while sea lanes carried larger, bulkier goods such as steel, stone, coral and building materials.

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.

patriotism is when people have love and devotion for their country.

explanation: