D. The idea of separate but equal came about in plessy vs ferguson in the 1870s and brown vs board of education sought to discontinue the old practice of segregation in this instance in public schools.
Answer:
technological advances
Explanation:
They did not have technology when the Greeks lived.
The answer is c for what was one effect of the slave trade on africa
John F. Kennedy believe that no matter others will do to them they will keep going no matter if "well or ill, that we shall pay any price, bear any burden" they will keep moving forward. If Americans United they will make a difference and be stronger but if they are separated they can not improve as what they wished for. He believe on "defending freedom" That everyone can make a change for their country.