What is the history behind christmas

Do humans change their physical environment to adapt or do humans adapt themselves to their physical environment?

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.

How was the u.s. economy different from european economies following world war 1?