Answer:
C. it made slavery possible in territories previously closed to slavery.
Who is adam? :P Do you mean from the Bible? Lol
Western European countries were some of the prime sources of immigrants at the time, in particular Ireland due to the lasting consequences of Ireland's Great Famine, aka the potato famine in the mid 1800's.
The correct answers are A and C
The correct answer on the test was Indus however there is not a map for me to look at so
