Why did so many migrants move to the midwest between 1830 and 1860?

Which statement describes domestic terrorism?

What was the purpose of winston churchill’s “blood, toil, tears, and sweat” speech? a. to inform parliament about nazi aggression b. to inspire the british people to keep fighting the nazis c. to update parliament on what he had accomplished so far d. to convince parliament to go to war against nazi germany

What is significant about official languages in russian republics? why would it matter?