Fog, the other three options would be too high in the atmosphere to cause visibility problems.
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<u>Answer:</u>
Option: d. The United States protected its investments in Cuba, the Dominican Republic, and other Latin American countries by sending in military forces.
<u>Explanation:</u>
The United States had made investments in some countries within its proximity in order to bring prosperity to the region and to serve its purpose of territorial dominance.
In its first, the purpose of passing the Platt Amendment was to grant Cuba freedom but keep the rights of intervention with the United States whenever need be. In a few other instances, the United States sent in military forces to protect its investments in other countries.
Abraham Lincoln wanted to end slavery.
