Which of the following statements about the missouri compromise of 1820 is correct a. it began the difficult process of emancipating slaves in the upper south

b. it sought to abolish the slave trade in the district of columbia

c. it was an attempt to preserve the balance between the number of free and slave states

d. it allowed residents of each state to decide for themselves if slavery should be allowed

C. It was an attempt to preserve the balance between the number of free and slave states.

Explanation:

because other regions has other things that egypt doesnt have.

in the 1800s, locomotives powered by steam made transportation faster and cheaper. the resulting rapid growth of railroads led to the connection of the atlantic and pacific railroad in oklahoma city in 1897.

in the last years of the century, the improvement of steam-based engines the expansion and growth of railroads. this growth increased when the companies started to build and expand, such as the atlantic and pacific railroad, which connected new mexico with california, and missouri with oklahoma. many of these new networks were built in oklahoma, and these changes transportation henceforward.