Help plz

What was DuBois's critique of Washington? Do you think he makes a good
point? Why or why not?

About how many european immigrants were processed at the facilities on ellis island

How did the governor's order that only georgian officers could command georgia's troops demonstrate a problem in the south

What is the columbian exchange? o a. the changes that resulted from europeans settling in the new world b. the relationships that columbus and his men had with the natives they met o c. the ships that columbus bought with money from the king and queen of spain o d. the increase in the number of native american towns in the new world