Help me with the last part ⚠️10 points⚠️

ASAP,,
Please help me!!! ⚠️

Which would have been a push factor of immigration ?

Which factor has played the most important role in changing the way history is studied over time?

Plz which of the following provisions of the compromise of 1850 was designed to appeal to slave states? a. congress passed a strict fugitive slave law. b. the slave trade was banned in washington dc. c. texas agreed to give away some of its land so that the territory would be available for future states. d. california was admitted to the union as a free state.