Belgium Belgium Netherlands Switzerland and most of Western Germany
The use of slaves was reduced, because immigrants could fulfill the same roles as slaves in factories.
D- a person can communicate instantly with others almost anywhere in the world
They used Maginot Line. The Maginot Line was built to fulfill several purposes: To prevent a German surprise attack. ... To push Germany into an effort to circumvent via Switzerland or Belgium, and allow France to fight the next war off French soil to avoid a repeat of 1914–1918. To be used as a basis for a counter-offensive.
The Founders made the amendment process difficult because they wanted to lock in the political deals that made ratification of the Constitution possible. Moreover, they recognized that, for a government to function well, the ground rules should be stable.