I would use two sources of data for income and two for literacy. For average income I would consult the censuses if they were available at that time. In particular I would check the differences between the years 1800 and 1850. Also I would check employment records for the same trades/professions for the two years. For literacy, I would check the school records to see if there was an increase in youth completing high school and also check the university records to see how many graduates there were in the two years.
The Camp Meeting Chorister<span> is a collection of hymns and spiritual songs printed and published by John Clarke of Philadelphia, PA, in 1830, with stereography done by Lawrence Johnson, also of Philadelphia. </span>
Answer:
Correct answer is C. The resignation of Mikhail Gorbachev
Explanation:
Option A is not correct as this treaties are important for the limitation of weapon arsenal, but didn't lead to end of Cold War.
B is not correct as the defeat of US in this war showed that Communism is still alive.
C is correct as after his removal Soviet Union was dissolved, which led to end of Cold war.
D is not correct as China was opened towards the west even during the Cold war.