I think it is the second one
Human effort is one of the resources of production describes human effort in economics
Answer: Option B
<u>Explanation:</u>
Human effort is one of the resources of production. Human efforts typically refers to the labor that the humans put in in the production process. Human efforts are made use of in the production of goods and services. For most production processes, human effort is a central and main activity.
This is because without human effort or labor, the production process may suffer from hindrances and obstacles. Humans tend to possess the skills that can be used in the production of goods and services that are of use in an economy.
The correct answer is:
During the western cattle boom, the open range system allowed ranchers to graze herds on the open range, meaning public land once owned by the Plains Indians and their buffalo herds.
The western cattle boom brought thousands of settlers, mostly cattle ranchers that used the grasslands of the Great Plains to raise and sell cattle. The subsequent economic growth added to America's ascent to power.
Answer:
C: Te Platt Amendment
Explanation:
Approved on May 22, 1903, the Platt Amendment was a treaty between the U.S. and Cuba that attempted to protect Cuba's independence from foreign intervention. It permitted extensive U.S. involvement in Cuban international and domestic affairs for the enforcement of Cuban independence
https://www.ourdocuments.gov/doc.php?flash=false&doc=55
