How did Columbus's discovery of North and South America benefit Spain? SELECT AN ANSWER
It enabled Spain to have more spices.

It enabled Spain to establish an empire.

It enabled Spain to prove the world is round.

It enabled Spain to prove the world is smaller than believed.

It enabled spain to establish an empire.

Explanation:

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.

the correct answer is b, "fertility rates are increasing, so populations will grow more quickly in the future."