Answer:
C. Rid the Muslim world of Western influence
Building dams on the Chagres river to create Gatun lake
False. The 10% plan was if 10% of the states legislation was in favor of joining the union, it would join.
Monroe Doctrine--This doctrine was announced in 1823 as a statement to Europe that they were no longer welcome in the Western Hemisphere as colonial holders.
Following the American Revolution and those of Mexico, Haiti, and South America, European countries had been almost completely pushed out of the Western Hemisphere. James Monroe announced his doctrine in 1823, stating the US would assist any country who had their independence threatened. This was to ensure the freedom of these new countries.