What was not an element of the Cuban Missile Crisis?

A) threatened boycott of U. S. businesses by Cuba

B) nuclear missile sites under construction in Cuba

C) U. S. naval blockade around Cuba

D)Soviet view that the United States was committing an act of aggression

answer: it b

explanation:

cuz l   said so

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.

answer: in 1900, there were no "workplace safety laws"!

explanation: at the beginning of this century, workers in the united states faced remarkably high health and safety risks on the job.

a century ago in 1900 about three hundred out of every one hundred thousand miners were killed on the job each year.

[industria] developments occurred within a legal and regulatory climate that diminished employer’s interest in safety. as a result, americans developed production methods that were both highly productive and often very dangerous.