What were the unintended consequences of the exchange of plants, pests, and diseases between the Eastern hemisphere (Old World) and the Western hemisphere (New World)? Answer in 1-2 paragraphs This is for college

About how many european immigrants were processed at the facilities on ellis island

Brainliesttt !me : ) what brought about the end of the soviet union?

In this quote british secretary of state william pitt is urging connecticut toa) hold the front from invading native tribes. b) raise troops and fight the french in canada. c) support the french in their efforts to hold on to canada. d) reject war with the french in hopes of ending the conflict.