Why were the germans so upset with the "war guilt clause"?

How do conflict minerals, and in particular, conflict coltan get their name? what groups benefited from the trade in conflict minerals? what group were hurt by it?

Which describes a contribution from classical rome to modern western civilization? a. international gathering to celebrate sporting achievement b. written constitution based on natural rights c. large infrastructure projects to benefit the public d. direct election of the ruler by all residents of the empire

Who would agree with this quote? "a revolution is no picnic. we must eliminate capitalism and emperialism even if thousands have to sacrifice their lives."