Based on the chart and what you know of the columbian exchange, which statement best explains why people in west africa eat manioc?

As there are no choices given I will explain the main reason why Manioc which in popular terms is known as "Cassava" is eaten by people in West Africa.
Manioc or Cassava is a native food found in West Africa and that is part of their daily diet, it is eaten raw as well as roasted and its leaves are also cooked and eaten with boiled rice which in the local language is called "Plasis/Plasas" 

-an amendment is proposed.

-two-thirds of congress must approve.

-thee-quarters of states must approve.

-the proposed amendment becomes law.

hope this

a system of cooperative federalism emerged, as the powers of the federal government expanded.