How were the Mayans able to develop a calendar system?

The irish and germans of the 1840's were part of the new immigration. true or false

Only 1 vote per state regardless of size why is this a problem

Plz which of the following provisions of the compromise of 1850 was designed to appeal to slave states? a. congress passed a strict fugitive slave law. b. the slave trade was banned in washington dc. c. texas agreed to give away some of its land so that the territory would be available for future states. d. california was admitted to the union as a free state.