Why did european exploration of the western hemisphere accelerate in the late 15th century?

How much time on average do americans currently spend watching tv and videos per day?

What are policymakers trying to do by using the media to deliver specific messages to citizens?

In 1914, alabama produced 1.7 million bales of cotton, but three years later produced only 515,000, bales. meanwhile, in georgia, 5.2 million acres of land was dedicated for cotton production in 1914, but by 1923 there were just 2.6 million acres used for growing cotton. all of this was the result of the work of a tiny insect: the boll weevil. alabama and georgia first felt the effects of the boll weevil at different times. what would account for this difference in timing?