That's a D from me, to culminate would be to grow, build, culminate
<u>Answer:</u>
Immigrants helped US to become what it is today by promoting and enhancing the culture and economy.
<u>Explanation:</u>
- United States is the only country that has the highest number of immigrants. The largest immigrants entering into US are from Mexico.
- So, the main reason for US to have the maximum development as it has today is due to the diverse population.
- These immigrants help in promoting the ideas, culture, and trades to uplift the economic and result is the development we can see today.
Answer:
a.
Spencer and Social Darwinists represent the evolutionary approach to social change.
Explanation:
As in nature, the stronger countries and nations prevail and dominate the weaker, which are inferior and not so smart and able as the strong ones, Social Darwinists argue.

Actually Welcome to the Concept of the history.
=> Potatoes and quinoa were among the unique crops; Camelids (llamas and alpacas) and guinea pigs were the unique domesticated animals.
=> The Incan civilization was predominantly agricultural. The Incas had to overcome the adversities of the Andean terrain and weather.