When will time end why are we alive and why is there alot of mysteries?

List two inventions that were invented in the united states before the american civil war

Need it now explain gorbachev’s policy of glasnost. how did this policy change the soviet union?

The chart shows data on the construction of dreadnoughts, or armed battleships, by 1914. (look at chart provided) a logical conclusion that can be drawn from this chart is that britain and germany were a.)engaged in an arms race. b.)looking for ways to cooperate. c.)hoping not to fight on land. d.)the strongest nations on the earth.