Answer:
Britain was against communism, and the Soviet Union in Poland made the country a communist one. As well, they were losing trade with the country due to Soviet intervention in trades.
This would be immigration.
Answer:
Neptune
Explanation:
According to NASA in earth days Neptune takes about 60,190 days to complete one full year or orbit
Hope this helped! Blame NASA if you get it wrong not me!
I would like to help but history is not my strong point