In the latter half of the 1800s, a large labor supply, an abundance of natural resources, and the construction of new railroads contributed most directly to the
(1)growth of american industry
(2)dependence on imported goods
(3)demand for limits on immigration
(4)rejection of high tariffs by the united states

During the first 30 years of the 1800s, AMERICAN INDUSTRY was truly born.

Household manufacturing was almost universal in colonial days, with local craftsmen providing for their communities. This new era introduced FACTORIES, with machines and predetermined tasks, producing items to be shipped and sold elsewhere. so the answer is 1

hold on ill go look

the causes of the dust bowls were severe droughts,   lands became dry and hard, temperature was higher than usual, hot and dry conditions killed crops, high winds. because of those factors, the winds kicked up dry soil and created clouds of dust.