According to this bbc news article, which branch of the government had to consent to the
treaty of versailles and us participation in the league of nations?

The US Senate, which is part of Congress,  was supposed to ratify the Treaty of Versailles. It voted against it. It is one of its faculties, to ratify any treaty signed by the United States government. It also had to approve joining the League of Nations because becoming a member of an international organization requires signing a treaty of adhesion. In both accounts, president Wilson failed to persuade the Senate to vote in favor of the treaties mentioned above.

Explanation:

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.

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.