How did the world wars impact germans in oklahoma?

Unlike european immigrants, chinese immigrants in the 1800s faced: a. language barriers b. laws that severely limited entry c. cultural differences d. nativist sentiments

Ineed asap! ! what is the name of the system in which each branch of the u.s government can limit the actions of the other branches? a. perpetual union b. division of powers c. cooperative federalism d. checks and balances

Who was the first explorer to sail all the way down the mississippi river