Answer:
The correct answer is A. The fact that communism was spreading and threatening government stability began to shape the debate over foreign policy in the 1960s. This situation led to the development of the domino theory and the adoption of the Johnson Doctrine as the main foreign policy rule in the United States.
The doctrine meant that the United States of America appropriated the right to carry out armed intervention in the internal affairs of the states of the Western Hemisphere (and subsequently of any countries in the Asia-Pacific region) to protect the interests of its citizens. The doctrine was aimed at preventing the coming to power of communist or socialist parties (even if their coming was done in a democratic way and with the support of the majority of the population of a sovereign country).
The answer is a, he miscalculated, since the Americas hadn't been discovered by europeans (the native americans were there first) they did not account for america in their calculations
Arianism is the religion who forcefully and confidently believed that Jesus Christ is a son of God and who is begotten by God. The teachings of Arianism was first taught to Arius, a Christian man in Egypt in AD 256- 336. As per Arius, the God the Father and the Son of God do not come always together.
The answer really depends on which of the 13 Southern states you are referring to. Each state issued their own Ordinance of Secession, in either 1860 or 1861. Hope this helps.