Answer:
i think it would be C. or D.
Explanation:
cs earths inner is hot and is full of gasses etc.
Manifest Destiny is the belief that Americans were destined to expand across North America from coast to coast.
The Emancipation Proclamation is an executive order by Abraham Lincoln freeing the slaves.
The Monroe Doctrine was a United States policy of opposing European colonialism into the Americas.
Lastly, The Louisiana Purchase was the purchase of the Louisiana territory by the US from France.
Manifest Destiny is the best answer.
The answer is d) The US and USSR
The Sino-Soviet Split was a pivotal historical event which took place over the course of a few years between 1956-1966.
The post-Stalinist Soviet Union diverged from China's own communist, Marxist and Leninist views.
The split was followed by an economic agreement between the United States and the USSR.
However, the effects of this split were felt far and wide all over the world and for many years to come.
In the next decade, China took steps to officially open to the United States with Nixon's state visit to the country.
