Which of the following was not exchanged during the columbian exchange?
a. grains
b. animals
c. diseases
d. medicines

Which of these events was a severe setback for the u.s. war effort in the pacific?

Were african-americans allowed to serve in the military in wwi? explain

In the postwar era, stocks a. quickly became worthless b. gradually became worthless c. bounced back and forth from worthless to worth a lot and back to worthless d. became worth more and more