It is an exemple of checks and balances
Answer:
The expansion of the railroads in the late 1800s was instrumental in helping the US economy boom. It did this in two ways. First, the railroads created a tremendous amount of demand for goods and labor on their own. As the railroads were being built, they needed huge numbers of people to build them.
It increased wealth of the country and made good accessible food to everyone<span />
Answer:
The Treaty of Guadalupe Hidalgo
explanation
The Treaty of Guadalupe Hidalgo, that brought an official end to the Mexican-American War (1846-1848), was signed on February 2, 1848, at Guadalupe Hidalgo, a city north of the capital where the Mexican government had fled with the advance of U.S. forces.
Answer:
Italy
Explanation:
Because the other 3 are already in the united nations