Tenochtitilan was the capital of the Aztec Empire, and the settlers built the modern city on the ground of this ancient capital. The settlers were the Spanish and the modern capital is Mexico City - this is the correct answer.
The modern city is also place to some ancient Aztec buildings such as Templo Mayor
I believe the answer is C, any kind of rock (metamorphic and sediment) can become igneous if melted and cooled.
Hope this helps.
The correct answer is - by blockading the island with aircraft carriers.
After Castro came to power in Cuba, he immediately made an alliance with the Soviet Union. That was a devastating news for the United States, as that meant that their arch rival will be able to make its basis right next door to their territory.
The United States responded by blocking the island as much as possible, by using numerous aircraft carriers that circled around the island, they were trying to threaten them, and also to be able to block or to respond quickly to any attack from Cuban territory.