Which of the Following Is Correct with Regard to Social

Short Answer

Which of the following is correct with regard to social and cultural differences?
Canadians make fewer trips to supermarkets than Europeans do.
Most differences between cultures are pretty obvious.
Clothing manufacturers do not have to worry too much about cultural differences because fashion trends have rapidly become world-wide.
Countries with growing populations tend to have a disproportionate number of older people.
All of these are correct.