Social studies/ English help please

What was different about warfare in the early 1800s and early 1900s?

Now , use your research to decide what business is the best choice for this community. explain your choice in two to three sentences, using factual evidence to support your claim.

Which was not a part of the compromise of 1850? a. california was admitted to the u.s. as a free state. b. slavery was banned in western territories. c. slave trade was banned in washington d.c. d. the strict fugitive slave law was passed.