Which of the following principles of experimental design ensures that the explanatory variable, and not some variable over which the experimenter has no control, is causing observed changes in the response variable?

Which of the following contributed to the Great Depression?

During World War I, Turkish nationalists took control of the Turkish government and promoted ethnic Turkish religion and culture.

How does our government gather support of a war effort on the home front?

What industry is described by the phrases below? • one of the state's largest industries • economic impact of more than $50 billion • prosperous due to Georgia's rich history, beautiful scenery, and climate What industry is described by the text in

What impact did battles and heroes and song lyrics have on national identity

Which of the following was associated with education reform during the early to mid-1800s

Who invented the candle?

The start of world war 2

The U. S. constitution grants the president the right to

Why is World War I often considered a prime example of total war? A) It was an industrial war. B) Propaganda was used effectively. C) It was fought only on one continent. D) Citizens were targeted during combat.