Why is roanoke called the lost colony?

In the first half of the 20th century, literacy tests, poll taxes, and grandfather clauses were passed by the southern states in order to

What do most climatologists see as a major cause of rising global temperatures? a. earth's closer proximity to the sun due to its gravitational pull b. greenhouse gases produced by burning fossil fuels c. rising ocean levels caused by melting polar ice sheets d. water pollution cause by industrial waste

To what extent do you think the roman republic was democratic?