Answer:
Archaeology it's the field of anthropology that studies the ancient civilizations.
The cotton gin made cultivation of cotton profitable.
Answer:
soils aren’t fertile. Volcanic ash, fresh glacial silt means these soils have a lot to give, but the soil temperatures remain cool throughout the growing season.
Here are the matches:
<span>1- The Soviet Union invaded Czechoslovakia and reversed its economic reforms, D.1968
</span><span>2-Workers in Poland won higher wages after an uprising. B. 1956
</span><span>3-Yugoslavia parted ways with the Soviet Union because of political differences. A. 1948
</span><span>4-Military forces began constructing the Berlin Wall. C.1961
</span>
All of these events keep strengthening the west's relation with these countries and weakened Soviet Union's position even among its neighboring countries.
To keep the war away from the US
and
To protect their families
