Answer: In ancient times, the geographic features of China insulated the country from the rest of the world. Natural barriers,such as mountains,deserts,rivers,and seas,made travel to and from China challengeing....They made the spread of ideas and goods between the ancient Chinese and others outside the region difficult.
Explanation:
Seven months is the answer
1.discovery of iron
2.the use of iron weapons
b) had made fewer enemies than front-runner William Seward.
Explanation:
- Before the election for the President of the United States in 1860, he was considered a major favorite for the Republican Party candidate.
- Several factors, including attitudes toward his throaty opposition to slavery, his support for immigrants and Catholics worked against him, and Abraham Lincoln secured the presidential nomination.
- Although he was badly defeated, he campaigned for Lincoln, who was elected, and appointed him Secretary of State.
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Barbarian attacks caused the collapse of the Western Roman Empire.
