Answer:
B). A Cross-sectional research design.
Explanation:
A cross-sectional research design is demonstrated as a kind of observation study that involves the study and analysis of a representative subset from the population at a particular point of time.
In the given example, Tucker is employing 'cross-sectional research design' as he selects a representative subset('a group of 5-year-olds, a group of 10-year-olds, and a group of 15-year old) from the population at the same time for study and analysis(by interviewing them) . This implies that Tucker adopts a '<u>cross-sectional research design</u>.'
The homestead act allowed settlers from the west settle on land, only paying a small fee. but they must stay on their land for 5 years before getting the land. They were allowed to leave the land but must be present when the inspector comes to see how they are doing.
In a word, it was devastating. conditions were dirty and wet, physical movement was restricted for long periods of time - especially agonizing since the threat of shelling was constant and little could be done to defend oneself in such an event. not to mention disease was rampant. the fighting had reached a character of attrition. with only small, infrequent, and often undone gains, it was difficult for soldiers to feel that they were accomplishing anything, and they lost faith
