Answer:
Colonization ruptured many ecosystems, bringing in new organisms while eliminating others. The Europeans brought many diseases with them that decimated Native American populations. Colonists and Native Americans alike looked to new plants as possible medicinal resources.
Explanation:
Sorry i think this will help
Medicare is a health insurance administrative by the goverment the purpose is to provide safty for retired workforces
Answer:
yes
Explanation:
Presidents define situations or conditions on situations that become legal or economic truth. These orders carry the same force of law as executive order the difference between the two is that executive orders are aimed at those inside government while proclamations are aimed at those outside government.
The alliances system meant that a local conflict could easily result into an intimidating global one. The overall cause of World War was the assassination of Archduke Franz Ferdinand. Nationalism was a great cause of World War one because of countries being greedy and not negotiating.
Your welcome I don't know if that helped. But yea.