Cause and Effect After Europeans arrived in the Americas, how did epidemics destroy much of the American Indian population?

After they had arrived, Europeans brought deadly viruses and bacteria, such as smallpox, measles, typhus, and cholera, for which Americans had no immunity (Denevan, 1976).

THEY DESTROYED MUCH BECAUSE THEY DID NOT KNOW HOW TO CURE THE INFECTIONS LOOK UP TO DOUBLE CHECK

Explanation:

answer; i believe the correct answer is (crops);

world war i had a devastating effect on german-americans and their cultural heritage. up until that point   german-americans, as a group, had been spared much of the discrimination, abuse, rejection, collective mistrust experienced by so many different racial and ethnic groups in the history of the united states. indeed, over the years, they had been viewed as a well integrated and esteemed part of american society. all of this change with the outbreak of war.