Which format was used for movies of the 1910s and 1920s?

In ww1 where did france find laborers to with their war movement? ? & what country did the french fear?

Why did the other allies like great britain and france not support wilsons 14 points?

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.