Once all of the southern slaves were free, they fought against the south, helping the union win.
Calligraphy is a type of handwriting.
Length? What do you mean by length? Wasn't it from Africa to North America.
Railroads helped in making new cities grow into manufacturing centers that refined natural resources is the true statement.
Explanation:
After the railroads were constructed, many people started to settle along the railroads which resulted in growth of huge cities. America, which was an agrarian society, developed to be a manufacturing hub because of the industries that were established along the railroads.
Railroads were very helpful to carry on freight and also people. Trails of railroads enabled people to settle and many industries were set up which made America a manufacturing Giant. Wherever the railroads went, people started to follow and inhabited the sparsely populated areas.
Advancements in the economy helped the economy because as things were invented, people wanted to make their lives easier. Or another thing was certain advancements allowed the ability to produce product in large amounts to sell. For example the printing press could allow books to be purchased at a faster rate.
