How did American involvement change world war 1

The American entry into WW1 changed the tide of the war in favor of the Allies.

Explanation: Before US entry the war was in a stalemate as both sides were suffering from war exhaustion from years of war. But when the fresh US expeditionary forces arrived in the trenches they quickly broke through the exhausted German lines.

the transatlantic slave trade radically impaired africa's potential to develop economically and maintain its social and political stability. the arrival of europeans on the west african coast and their establishment of slave ports in various parts of the continent triggered a continuous process of exploitation of africa's human resources, labor, and commodities. this exploitative commerce influenced the african political and religious aristocracies, the warrior classes and the biracial elite, who made small gains from the slave trade, to participate in the oppression of their own people. the europeans, on the other hand, greatly benefited from the atlantic trade, since it allowed them to amass the raw materials that fed the industrial revolution to the detriment of african societies whose capacity to transform their modes of production into a viable entrepreneurial economy was severely halted.

go up to your profile picture in the top right hand. click on it. then click on edit profile. there you shall see delete account