It would be "germs and disease" that had the greatest impact when the Old and New Worlds met, since the Natives in the New World were not immune to the germs that the Europeans were carrying--leading thousands of Natives to be killed.
<span>Migration is the movement of people from one place to another, due economic, social, political or environmental reasons. Due to this America has advanced as migrants have migrated with skills, knowledge and resources which have benefited the country. Western invasion has also brought about such benefits. Both western migration abd western invasion can be lengthy processes, supported by lots of planning and preparation, however they can also be fast acting.</span>
I really wish I could help you but try to use google and look up the answer key online
c it’s the correct anwser explanation never did this
