Lincoln's presidential election in 1860.
Hope this helps.
Answer:
Cultural diffusion
Explanation:
One of the factors that helps a cultural group preserve their native language is by cultural diffusion.
Culture is the way of life of a people. The elements of culture includes food, fashion, language etc.
To preserve the culture of a people, the process of cultural diffusion is very essential.
By cultural diffusion, we mean that there is a spread of a culture from one place to another.
It will shift to the left as population decreased.
I think the answer is B. I hope this helps! :)
The answer is A, four weeks (the lunar cycle is about 29.5 days).