New scientific knowledge help the building of the Panama canal because there was a decrease of workers getting sick of malaria and yellow fever. It was Colonel Gorgas, the Chief Medical Officer, who have read about discoveries linking mosquitoes and malaria. Due to these readings, he succeed in eradicating the cause of the disease therefore a decrease in people getting sick.
Answer:
The Anti Federalists needed 5 state votes to vote no, while the Federalists needed 9 states to vote yes, 9 of 13 had to approve. Northern states approved, Southern states were divided and were unhappy with the 3/5 comprise. Virginia and New York demanded a Bill of Rights before ratifying it.
Explanation:
The Anti-Federalists feared the national government would hold too much power and that citizens rights would be in danger. They felt the nation did not need a standing army and that the Constitution would not protect individual rights. They wanted a Bill of Rights.
