Answer:
A.
Explanation:
This act helped recently freed African Americans get on their feet after a lifetime of slavery by providing them with a portion of land to cultivate as their own.
Answer:
A high school
Explanation:
An in-group represents a group of people who psychologically believe that they are part of that group. These groups espouse some ideology that makes members feel psychologically attached to the point of forming a group. A high school is not an in-group because people who are attending high school are not there because they feel psychologically attached to something related to high school but rather because it is their duty to attend this place.
Answer:
Experimental Research.
Explanation:
Experimental research is a research method based on scientific approach. The research helps to understand the cause-and-effect relationshio between the two variables, namely independent and dependent. Independent variable manipulated while dependent variable remains constant.
<u>In the given case, Caterpillar is using the experimental research method. Caterpillar is trying to understand the cause-and-effect relationship between the two variables-- the operators and two types of steering mechanisms, in which dependent variable-- the operators, remains constant, and steering mechanisms is manipulated.</u>
Thus the experimental research method is the correct answer.