History questions down below answer both of them

Write an informative essay on the great chicago fire. your essay will use research to explain what caused the fire to burn out of control and to describe the fire's effects and aftermath.

Why did the rosenburg case attract nationwide attention and controversy

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