c. The government banned slave labor and racial discrimination.
Stopping the government from putting unnecessary harsh penalties on criminals
For #1 it is C. They kept expanding into Native American’s land. The natives didn’t like that so that led to many conflicts.
For #2 it is D. People could get to destinations a lot faster and cheaper so it led to spread of people and ideas. It also led to goods being easier to transfer to new markets for new business opportunities.
It has to be Austria and Hungary - by then they were two separate countries. The other three were Allies and along with britain they occupied Germany in 1945.