What year did the Constitution come into affect??

1789

Explanation:

The US Constitution came into effect in the year 1789.

After New Hampshire became the 9th state to ratify the Constitution in 1788, it was decided that the Constitution would officially go into effect on March 4, 1789.

explanation:

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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.