Answer: What happened in the 14th century in China?
The Ming dynasty: 1368-1644
But a series of disasters in the early 14th century unsettles the dynasty. A civil war between rival Mongol princes breaks out in 1328. There is widespread famine. Disastrous floods cause armies of peasants to be press-ganged into heavy work on the river defences.
Explanation:
Explanation: A short explantion: Countries expand/isolate because of climate change.
Answer: The Treaty of New Echota
Explanation: Negotiated in 1835 by a minority party of Cherokees, challenged by the majority of the Cherokee people and their elected government, the Treaty of New Echota was used by the United States to justify the forced removal of the Cherokees from their homelands along what became known as the Trail of Tears
The answer is in the text.