What were the causes and effects of the french indian war?

The causes of the French and Indian War were:

1. the british and the french both thought they owned the ohio territory -

2. the french had destroyed the english forts

3. english colonists broke up the french and indian trade

the answer is a, salt plain

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.