Answer:
B). False
Explanation:
John C. Calhoun advocated states' rights as a means of preserving slavery in the South
Answer:
True
Explanation:
This plan was created by the German Gererals in the first world war to wage a succesful double war front. This plan firstly involved attacking France and Beljium.
your answer is A.) Over-Planting of wheat wore out the soil.
The cause would be rodents carrying the disease and the fleas would bite the human
The countries that attended the conference were: Austria-Hungary, Belgium, Denmark, France, the German Empire, Italy, Netherlands, the Ottoman Empire, Portugal, the Russian Empire, Spain, Sweden-Norway, the United Kingdom, and the United States of America who had a special right to accept or decline the terms of the deal and the participation in the deal.
The effects of the conference were mostly in regards to the African Continent. They wanted to find a way to spread their empires and gain strength while not fighting each other, so they decided to cut Africa up into smaller pieces and divide it among themselves. The result was that 90% of African territory was taken by various European powers.