Which example describes a method of relative dating?

a. measuring the depth of tree bark

b. examining historical records to determine when a volcano erupted

c. using fossils to determine the oldest rock layer in a canyon

d. using radioactive isotopes to calculate the age of a rock

answer:

it caused mass african migration, african populations to grow, african empires to topple, and racism against slaves to emerge.

you are really obsesed w/ the wolverines

explanation:

its not a bad thing to be honest

your answer is 1930's

explanation

this is just around the time the great depression was starting and putting the us ecnomy into ecnomic failure causing the goverment to take a much larger rule to try and pieace it back together