During the 1980s the U. S. public debt grew 300% while it only grew 150% from 1950 until 1980, which means:
a. the U. S. had a surplus budget
c. borrowing was consistent
b. the U. S borrowed twice as much during the 1980s in one-third of the period of time preceding it
d. the U. S borrowed half as much during the 1980s in one-third of the period of time preceding it

bujías y una hora antes y no me parece muy difícil

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.

the modern census, which measured household size, marital status, and employment, began in

a.

egypt

b.

china

c.

canada

d.

united states

select the best answer from the choices provided

a

b

c

d