<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be the "transcontinental railroad," since this provided for fast and relatively cheap transportation. </span></span>
Soviet union
After the Cuban Revaluation of 1959, Cuba became increasingly dependent on the soviet union.
The policy contributed most to the nuclear arms race was Mutual Assured Destruction
This means that both sides knew that any attack upon the other would be devastating to themselves, therefore restraining them from attacking the other. Each side possesses enough nuclear weapons to obliterate the other side that causes them to restrain from attacking afraid of the annihilation.
<span>Britain heard that the colonists were going to rebel, Parliament sent redcoats to the colonies, Colonists were angry and an altercation broke out between colonists and the soldiers, Redcoats killed 5 colonists, colonists intensified boycotts, Parliament repealed Townshend Acts.</span>