Answer:
D. all of the above.
Explanation:
The United States had considerable influence among the other nations. They were reluctant to get involved in another world war after such devastation from the first two world wars.
A vertical integration consists of companies that acquire a company that operates either before or after the acquiring company in the production process.
<em>Labour unions were not very successful in achieving their goals in the 1800s.</em>
Workers organized unions to solve their problems.Their problems were <em>low wages</em> and <em>unsafe working conditions</em>.
The tactics used by labour unions were <em>strike </em>and <em>collective bargaining</em>. The disagreement between the needs of the employers and the demands of the employees gave rise to the evolution of the unions.The workers could not only bargain for their <em>salary</em> but also <em>working conditions</em>,<em>job security</em> and <em>benefits</em> through the <em>union</em>. Initially,workers formed local unions in single factories.These unions used strikes to try to force employers to i<em>ncrease wages </em>or make <em>working conditions safer</em>.
Answer: The third answer
Explanation:
the ability to tax and spend public money for the national government.
