The triangle stopped first at the the West Indies from Africa where most slaves were pulled off board, then sent on to ports such as New Orleans to be sold. In this context, the closest would be A.
Human or in general? If in general then i would say bacteria or sea creatures. If human then a couple thousand years now (i think)
The USA was concerned because they feared that they would launch them, this happened in a point in time where relationships between the two countries were not good and they didn't trust each other. Then when Russia had missiles in Cuba, which is close to the US, it caused the US to freak out about it, it's now called the Cuban missile crisis.
Answer:
it was too heavy.
using a steel frame and metal tires.
Explanation: