-decrase in death rate
Bc demographic changes it has to do with Any change in the population, for example in terms of average age, dependency ratios, life expectancy, family structures, birth rates etc.
They have 400 mass marts in Africa, which is a Walmart company. They have the most Walmarts in the United States, Canada, and South America though.
im pretty sure it would be mexico :)
According to NASA the only one of these that actually seems to be a real type of galaxy would be C. Barred Spiral Galaxy. I hope this helps :)