Answer: Mutually Assured Destruction - a military strategy put in place to help prevent nuclear warfare.
Explanation: Mutually Assured Destruction, also known as MAD, is a doctrine of military strategy and national security policy in which a full-scale use of weapons by two or more opposing sides would cause the complete annihilation of both the attacker and the defender. It shaped the nuclear arms race in a drastic way, as it helped to remind both parties that neither side could expect to survive a full-scale nuclear exchange as a functioning state.
The correct answer is <span>Although Union troops greatly outnumbered Confederate troops, it took months for the North to achieve victory.
The Union had more than a double the amount of army that the Confederacy had and they still couldn't enter Petersburg easily with the siege lasting for over 9 months. It wasn't a classic siege but rather a form of trench warfare where they couldn't move towards Petersburg even though they greatly outnumbered the confederate forces.</span>
<em>One of the most infamous of these political machines was Tammany Hall, the Democratic Party machine that played a major role in controlling New York City and New York politics and helping immigrants, most notably the Irish, rise up in American politics from the 1790s to the 1960s.</em>
<em>A political machine is a political group in which an authoritative boss or small group commands the support of a corps of supporters and businesses (usually campaign workers)</em>