There were many ways in which early Muslims viewed and treated Jews and Christians, but mostly it was with tolerance, except on the outskirts of the empire.
A country would want to get a larger military to overpower or to stand ground against other counties. "Problems" that this could cause to a nation is to be over militarized and not care about its citizens, problems to surrounding nations is that they would feel threatened by a larger military.
The Truman Doctrine underpinned American Cold War policy in Europe and around the world. The doctrine<span> endured because it addressed a broader cultural insecurity regarding modern life in a globalized world.
</span>