The Bismarckian system of alliances was a system of alliances between nations. Its purpose was to preserve peace and a status quo. It was successful until William the 2nd dismissed it. In general what really brought about WWI was the decisions that were made by European leaders that affected militarism and nationalism as well as the leaders desire to stifle internal decent.
A is the answer to your claim
Would be better if you posted the article too, but based on the evidence given I believe its A
Answer:
The level of racial diversity in Conway, Arkansas
Explanation:
It is the only one that has to do with people, while all the others have to do with weather and landscape geography.
It effected them by changing their lifestyle
George Logan seek to negotiate peace between the United
States and France because of the action that he made in which he invested a
great deal of money in France in a way this negotiation was able to anger the
congress because of his actions.