terrorism
The Middle class will decline.
There is no such thing as "outgoing conflict". If perhaps you meant "ongoing conflict" please see the Related Question below.
At the end of 2012, a major concern for the U.S. in the Middle East was not the rise of extremist groups like ISIS, as it had not yet emerged as a significant threat at that time. Instead, the focus was more on the ongoing Syrian civil war, Iran's nuclear program, and the ramifications of the Arab Spring. Additionally, U.S. relations with Egypt and the stability of the Gulf states were pressing issues. Overall, the immediate threat of a unified jihadist movement was not a primary concern at that juncture.
terrorism
No, the middle passage was the trip from Africa to the Americas.
middle passage
The Middle Passage
Mesoamerica
CANCER
It didn't. The Middle Ages was ending by the time that the Americas were discovered.
Earthquakes in the middle US states are a concern because the fault line there could lead to the highest loss in economy due to a natural disaster.
The main environmental concern in the Middle East is a lack of water.