Why did the nation need better transportation in the early1800s

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

What kind of contact did christopher columbus and native americans initially have?

What were three advantages the north had in the civil war? it was fighting most battles on home ground. it had a greater number of soldiers. it had more highly skilled military leaders. it had a stronger navy. it had a better network of railroads. pick three .