He wanted to promote freedom for all the slaves
Uh to put it simply, schools would likely still be segregated. SCOTUS (Supreme Court) ruled in Brown v. Board of Education that U.S. state laws establishing racial segregation in public schools are unconstitutional, even if the segregated schools are otherwise equal in quality. So, if not for Brown, schools would likely still be segregated. You can rewrite this and put it into your own words if need be.
Answer:
The primary positive effect of the Columbian exchange was the introduction of New World crops, such as potatoes and corn, to the Old World. The most significant negative effects were the transmission of African populations into slavery and the exchange of diseases between the Old and New World. Hope this helps you out!
Bise Nagarche suggested King Prithivi Narayan Shah to collect fund to buy weapons from 12000 roofs of Gorkha State. The youths between 16 to 30 participated in the war. Citizens of Dahachok supported Prithivi Narayan Shah to attack Nuwakot