In the unit companion, which activity would be the most for lea
of the lesson?
o
a
preview the key topics you will learn about
o
b. answer a question about each part of the lesson to your co
content
o
c
read summaries of the united states history lessons
o
d. prepare for the unit assessment by defining and describing each

might be agreeing to participate ethically with other european nations in the slave trade

or notifying other european nations when taking possession   of african territories

ok so u have2 basically

in 1862, president lincoln's emancipation proclamation opened the door for african americans to enlist in the union army. although many had wanted to join the war effort earlier, they were prohibited from enlisting by a federal law dating back to 1792.

explanation:

b europeans take corn to africa. corn becomes an important crop there.