15th century The transatlantic slave trade began during the 15th century when Portugal, and subsequently other European kingdoms, were finally able to expand overseas and reach Africa. The Portuguese first began to kidnap people from the west coast of Africa and to take those they enslaved back to Europe.
Answer: Two major consequences of the mexican war were that the United States got a huge amount of territory from Mexico and the Mexican War helped cause the Civil war. Also, it helped reopen the issue of slavery and caused conflict between the North and South.
Hi. Your answer is going to be A.) agriculture Agriculture has been greatly effected since the beginning of the 20th century. Partly due to WW1 and WW2 thus increasing the product demand and cause price spikes. Hope this helps! :)