(i need help immediately)How did slavery change over time in colonial America?

How did conservatism affect the nationalist movements in europe?

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.

What is the main idea of this excerpt