Hitler annnounced an Anschluss with Austria March 12, 1938.
Hello Wjeneis!
Your answer is D. i wish you the best of luck!
The line was important because it was established that any new western state that would be south of the line could be a slave state, while any new state in the west north of the line would be a slave free zone. This was done according to the Missouri compromise when slavery was an issue once more in 1850. The line also became the northern border of Texas when it was later added to the union.
Explanation:
They were both early new world settlements escaping for religious freedom or just freedom