What was the decisive turning point in the US Civil War that turned the campaic in favor of the Union troops?​

Amain reason most irish immigrants came to the united states in the mid-1800s wasa) to find jobs as skilled workers.b) to escape a potato famine.c) to live in less-crowded conditions.d) to escape religious persecution.

In what way did expansion and global trade during the 15th to 18th centuries affect the economies of european countries

How did the industrial revolution give an advantage to industrialized european nations over non-industriallized nations?