What was the primary result of road and turn pike development in 1840?

The primary result of road and turnpike development in 1840 was the increase of migration from East to West.

Along with the evolution of the railroads, these developments were key for America's plans of Westward Expansion in the first half of the 19th century. Under the Manifest Destiny, which consisted on the expansion of dominion and capitalism across North America, the US acquired western territories through treaties.

answer; /// i believe that the correct answer is (b)///they gained vast amounts of

equal pay act of 1963. the equal pay act, signed in to law by president john f. kennedy on june 10, 1963, was one of the first federal anti-discrimination laws that addressed wage differences based on gender. they felt that this would prevent employers from undercutting future wages for men.