1.What is history?

- <em>The study of </em>change over time<em>, and it covers all aspects of </em>human society<em>. </em>
- Political<em>, social, </em>economic<em>, scientific, </em>technological<em>, medical, cultural, </em>intellectual<em>, religious and military developments are all part of history.</em>
2.What is the father of history?

- Herodotus<em> was the first writer to do systematic </em>investigation<em> of historical events</em>.
- <em>He is referred to as "</em>The Father of History<em>", a title conferred on him by the ancient </em>Roman orator Cicero<em>.</em>
3.Enumerate the primary and secondary sources of history?

- <u>Primary sources :—</u>
<em>D</em><em>iaries, personal journals, </em>government records<em>, court records, property records, newspaper articles, </em>military reports<em>, military </em>rosters<em>, and many other things. </em>
- <u>Secondary source :—</u>
<em>The typical history book which may discuss a person, event or other </em>historical topic<em>.</em>
The Senate refused to ratify the treaty of Versailles primarily because they objected to the League of Nations. If the US joined the League, then they would be obligated to fight in future wars and the Senate didn't want that.
Answer:
The completion of the First Transcontinental Railroad in 1869 had a huge impact on the West. It encouraged further settlement in the West as it made travelling their cheaper and easier. It also encouraged the development of towns along the railroad, as the railroad made the west less isolated.
Explanation:
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