Copernicus believed that celestial bodies followed a circular orbital path
Of the three Enforcement Acts, the Enforcement Act of 1870 was the first that was passed by the United States Congress from 1870 to 1871 during the Reconstruction Era to counter attacks on the suffrage rights of African Americans from the violent groups like the Ku Klux Klan.
The Enforcement Act of 1870 forbids discrimination by state officials in voter registration based on race, color, or previous condition of servitude. Penalties are established for preventing a person's right to vote and grant the federal courts the power to enforce the act.
Thus, the answer to this item is definitely the first and the second option:
<span>>to protect voters from threats during elections
>to protect the rights of white Southerners to prosecute members of the Ku Klux Klan </span>
Answer: It meant a paradoxal situation because the proper foundation of the USA was an anti-imperialist and anti-colonial act. Foundation of the USA was an emancipation against British imperialism. But already in 1840s USA started practicing imperialist policy toward Mexico (Texas) and Central America. It was a paradox. Spanish American war was sort of a culmination of this kind of policy.
Explanation: One of the explanations is a Social Darwinism which was very fashionable at that time and its perspective was applied not only to societies and races but also to history. According to this perspective Latin nations were decadent and condemned to extinction. Such a view seemed to be confirmed by Franco-Prussian war (example). The same perspective followed Americans (Theodor Roosevelt).
The National Industrial Recovery Act of 1933 (NIRA) was a law that was passed by the Congress in order to authorize the President to regulate industry. The main focus of such legislation was stimulating economic recovery during the Great Depression. One of the most controversial parts of this law was that which concerned unions. The law protected the collective bargaining rights for unions. It also encouraged union organizing and guaranteed trade union rights.