I'll first explain what the non-aggression pact was. It was an agreement that the Soviet Union and Germany would take no military action against each other. To answer your question it is B. The pact was to make sure he could safely attack Poland.
Answer:
Think about slavery. The average African-American will have very low morale if he is forced to work. Low morale means their work ethic will slip, and sub-par work ethic leads to sub-par product. You'll actually be saving money if you free your slaves. Rather than paying tens of thousands of dollars to buy them and then paying for all of their expenses beyond that, you'll just have to pay them monthly or weekly wages. Abolition is both cost effective and stimulating to the economy.
Explanation:
Large concentrations of individuals were more expensive to care for, especially medically. Most slave owners were primarily concerned about the so-called "wage bubble" that would burst and leave all slave owners destitute, when in reality slave owners who freed their slaves and still had some working for them as freemen flourished.
Answer:
According to Charles Darwin, the competitive and strong features make the species evolve, rather than just a few.
Explanation:
The survivors mate with their unique traits.
The fight for woman’s rights was mainly about the women wanting equality with men. The revelation of democratic rights would have been when parliament let the women have the vote , which had never really happened before.