What twice-daily event would cause water levels around jamestown to rise and cause wells and freshwater streams to become brackish?

His is the name of the group in the house of representatives that, in 1947, began hearings to expose communist infiltration in american life. unfortunately, a good deal of the evidence they used was based on hearsay and conjecture, meaning innocent people were harmed by their findings.

1. what potential advantages could companies like standard oil offer consumers?

What was the goal of the united states' invasion at the bay of pigs?