What did stephen douglas support regarding the spread of slavery?

the answer is b: the religion they practice.

here's why:

there were many different native american tribes and those with similar characteristics formed a main tribe or nation. each had its own language, religion and customs.

geography

this is because warmer climates often don't get people sick from the flu and regions where it was often colder more people received the flu. hope this if you need more reasoning i am here to

number 4. should be the correct answer

a big one is

to appoint and regulate officers of the land and naval forces,

which caused much controversy ending the articles