'D' renders aid and assistance
The correct answer to this open question is the following.
People who did not want to answer the questions from the Committee was indicted for contempt of Congress and were sent to prison. Some other people were put on a blacklist in the workplace and lost their jobs and found very difficult to find other company that hires them.
Many members of society considered that that represented such a "wich hunt," that only ruined people's reputation and limited their freedom of speech.
Answer:
D
Explanation:
for the simple fact of security reasons
Before Spanish colonization, Mexico has established its own class structure among the population. However, after colonization, the class structure changed drastically. The Spanish elites imposed a caste system with different levels of biological mixtures between different ethnic groups living in Mexico which decided one's status in society. Those who were biologically more Spanish enjoy a better standard of life than those from Indigenous or African lineage. The strict hierarchy caused discontent among the people which led to civil unrest and an inevitable revolution.