The second president of the USA is John Adams.
The correct answer is letter D
The authorization for the construction of the railway came through the Pacific Railway Act, which took place in 1862 with support from the United States government. However, for many decades, there was a movement that called for the beginning of the development of the railway. The beginning of the works was the outcome of attitudes from the time when Abraham Lincoln presided over the U.S., however, the project was only completed after his death.
With the construction of the First Transcontinental Railway, it was possible to connect the coasts of the Pacific Ocean with the Atlantic Ocean. For the first time in history, a railway network connected two sea coasts and, thus, the project is still a reference in the field of railway construction.
This is due to the fact that the construction of the First Transcontinental Railway was very difficult. For its development, several applications of engineering and work techniques were necessary, as the railway had to pass through high mountains and various types of plains through the Union Pacific Railroad and Central Pacific Railroad, which gave rise to the eastern and western lines.
Christianity first began as an outgrowth of "Judaism" since this was the preexisting and predominant religion in the area and since Jesus Chris actually died as a Jew himself.
An oligarchy is a system of government where a small number of individuals government a political entity. These individuals can be elected, but normally they are unelected officials who have been given the rights to lead through authoritarian methods.
Democracies are a system of government whereby systems are put into place to allow individuals to vote for representatives or to vote directly on issues related to their political governance.
Republics are democracies in that they involve elections and representation, however, republics institute certain protections for individual rights and liberties usually in a constitution or founding document to prevent the majority from controlling political decisions.