What was Martin Waldseemuller's important contribution to this time period? A. He explored the Missipi River

B. He created a map based on the information from voyages of Cabot, Columbus, and Vespucci and gave them the name now we know to the new world.

C. He explored the area around the St. Lawrence River and Newfoundland

D. He was responsible for the discovery of the Northwest passage.

B

Explanation:

Waldseemüller named the new lands “America” on his 1507 map in the recognition of Vespucci's understanding that a new continent had been uncovered following Columbus' and subsequent voyages in the late 15th century.

labor leaders and organizations had the power to demand it.

explanation:

workers got a five-day workweek because the bcea protects and respect the rights of the employees. labor leaders and other groups demanded it.

panamal canal treaty and iran hostage crisis hope this