President James Monroe wanted to improve the US international reputation and fight against the European intervention in the Americas, because of that he and his Secretary of State John Quincy Adams pursued an aggressive foreign policy.
They created the Monroe Doctrine that is was the first significant policy statement by the US. They stated the US as a model and protector for the other Latin American republics and they used the US strength to resist further European influence.
They built dukes and canals.
A. Exporting oil to Israel,
Because, during the 1973 Arab-Israeli War, Arab members of the Organization of Petroleum Exporting Countries (OPEC) imposed an embargo against the United States in retaliation for the U.S. decision to re-supply the Israeli military and to gain leverage in the post-war peace negotiations.
I'm not sure though