U. S. Economic strength helped boost the amount of available jobs. Those affected most by this were salaried office workers. This led to the rise of

structural changes

Changing in skiils and job profile.

Explanation:

Intense competition pressures have resulted in restructuring across services industries as well as within industrial enterprises.

Increased employee earnings leads to a higher rate of consumer spending, which benefits other businesses who depend on consumer sales to stay open and pay vendors. ... This leads to a healthier overall local economy and allows more businesses to thrive

c. it required that townships set aside land for public schools.

answer; i believe that the correct answer is (c) arctic tundra;