On sep 11th 2001 what time did the north tower collapse

1. what is significant about the power that russian federal cities are granted? 2. what is significant about official languages in russian republics? why would it matter?

How did the crop lien system trap some farmers in a cycle of debt

The primary goal of the abolitionist movement was to a) immediately emancipate or free all enslaved people. b) allow the gradual release of enslaved people. c) end the importation of enslaved people from africa. d) make mandatory the education of all enslaved people.