Answer:
Transcontinental railroad
Explanation:
The cattle boom led to economic prosperity for the rise, growth, and development of new towns in the west resulting to the development of service businesses, for example, hotels, salons, e.t.c. The cattle were bought cheap and resold at high prices which allowed the ranchers to make a lot of money (profit).
The Strategic Arms Reduction Treaty (START) number one was designed to
reduce the number of nuclear weapons. It was signed July 31, 1991 and went into full force by 1994. Eventually it was to control and remove warheads and nuclear weapons. Start 1 achieved an 80% removal which was considered to be a success. Other treaties followed.
Answer:
Many people thought that if slavery was taken away it would ruin the country. It had become such a common thing and made many people money that a lot of people thought it would ruin the economy even though it was unfair to people of color.
Explanation:
"We have the wolf by the ears "and we can neither hold him, nor safely let him go. Justice is in one scale, and self-preservation in the other." - Thomas Jefferson
These alliances that took place before World War 1 in a way started the war. For an example, Germany was in an alliance with Hungary and when they declared war against Serbia, Germany had to fight with them, and so on, finally creating World War 1. Within weeks, Germany declared war with other countries that declared war with others, creating a "domino effect" which just means that most countries just started fighting with one another, either because they declared war with them or because their allies did.
~Hope I helped!~