Based on your knowledge what would be the reason for the 5% jump in free blacks in between 1800 and 1820

Where did benjamin franklin travel to to seek aid for the colonists during the revolutionary war

Why did president johnson decide not to run for reelection in 1968?

Is the weather changing? consider the data of severe weather that includes tornadoes occurring throughout the u. s. over the last four years. compare the severe weather for the last three years. then compare the first three months of 2017 with that data. based on previous years, what might the prediction be for weather during 2017?