The correct answer is:
The Ku Klux Klan.
The KKK is an American hate group that promotes extremist ultraconservative beliefs such as white supremacy, white nationalism, and anti-immigration. They historically employed terrorism against those who opposed them. The film The Birth of a Nation (1915) aided the refounding of the Ku Klux Klan and played a major part in them gaining public approval.
Baron de Montesquieu was an Enlightenment philosopher from France.
She wanted to lead reform so the Hull house was made so that education and social services could be provided to the working class immigrants and laborers.
If both parties involved are blaming the other for the start of the battle, the historian should try to get the statement of a 3rd party witness, preferably one that is impartial and a first-hand witness. This makes the 3rd party witness more credible. This also avoids any self-serving motives of the the US and Iraqi forces.
The appropriate answer is B. steam boats could travel against the current on a river. This statement means that steam boats could travel upstream. The steam engine in steam boats allowed them to travel upstream possibly against a strong current. Sail boats rely on wind or the downstream flow of the water to move it from one location to the other. The invention of the steamboat revolutionised transportation of goods and people on large navigable rivers.
