At first, Copernicus had a heliocentric, or sun-centered galaxy, model as a theory, but he wasn't widely accepted. Galileo used a telescope to expand on that idea and prove it to be correct.
By sending spies to the USSR to copy their plans for sputnik
<span>The answers are
2. EU membership
3. industrial closures
4. international investment
6. the end of collectives
7. the end of the Soviet Union</span>
Many Native American tribes were wiped out by the diseases brought by the Europeans
(B) A fort was established and many were killed by disease.
After Lewis and Clark's expedition, the people of mandan village were faced by a devastating outbreak of smallpox disease in the year 1837, as much as the epidemic was devastating it played an important role in uniting the surviving people in Mandan and Hidatsa village who later interacted in trade farming and hunting