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The correct answer is number 3. Intervene in Latin America to prevent European interference.
<em>President Theodore Roosevelt strengthened the Monroe Doctrine by establishing the policy that the United States would intervene in Latin America to prevent European interference.</em>
"Roosevelt Corollary" was the Roosevelt way to act in Latin American in the case of any European intromission in the region. In the case of any wrongdoings by a Latin American nation such as riots, rebellions, or large debts, The United States could intervene to solve the issue. This meant that it would be the US that played the new role of "police patrolling" Latin American countries to avoid European intervention, as was the case of the Dominican Republic in 1905.
<span>The dirt and rocks in New York City used to increase the size of ellis Island may have come from the following sources. It is possible the landfill was derived from construction of buildings and digging of foundations. The landfill perhaps was then transported by barge to the island to fill in and create a larger area.</span>
