The creation of new trade route visible on the map in yellow resulted most directly from what new development c.1450 to c.1750 A. New ship designs
B. New navigational tools
C. Improved understanding of regional winds and current patterns
D. access to knowledge, scientific learning and technology from the classical, Islamic and Asian worlds

c or d both can be the answer

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.

it made the ground more soft which is better for the world because no one likes walking on a rocky road it hurts your feet