During this time many explorers were driven by 3 things, “God, Gold, and Glory”. Firstly the Spanish were driven there in order to expand that of Christianity. They wanted to convert the indigenous people from there original religion. Next, they went there for the intriguing thought of gold. They wanted to be rich. What better way to get rich than gold through the help of trade. Next of glory, glory came from expanding their territory. The more land a country had the more powerful they would be.
They didn't have the military power to defend themselves.
Answer:
It was to keep Western facists from entering East Gemany and too keep the people of East Germany in. It was also used to keep capitalism out.