What changes in the private sector created new economic opportunities for Americans in the 1950s?

a

explanation:

d) a week

because the land run of 1889, although not without precedent in the history of the west, further, their men were aboard the first trains, ready to jump off and begin staking their claims. oklahoma city, edmond, and guthrie were all so affected.

this question shoud be under spanish category, not

a big one is

to appoint and regulate officers of the land and naval forces,

which caused much controversy ending the articles