In 1820, Congress reduced the price of federal land to $1.25 per acre. What was the purpose of this policy?
A.
to sell off the territory covered by the Homestead Act
B.
to promote settlement west of the Appalachian Mountains
C.
to encourage construction around Washington, D. C.
D.
to reduce the territory that the U. S. Army had to defend

Marine exptoration of oil uses seismic waves to locate oil in the seabed. what is a negative impact from seismic waves on the aquatic ecosystem of the ocean? a.seismic waves kill microoganisms b.seismic waves disrupts the sand and causes seafloor erosion c.seismic waves have virtually no adverse affects on marine life d.seismic waves damage the sonar that dolphins and whales use to orient themselves underwater

How do you think american life would change greatly, as soldiers went to war in europe?

The purpose of the comintern was a. to spy on anti-communist activity. b. to spread communism in other countries. c. to administer communist rule. d. to develop future communist leaders.