Kush was weakened by the loss of trade.
NAFTA has purely economic goals
The Progressive Era was primarily concerned with making government responsible for the needs of the people.
The economy is the best answer because its the biggest factor worldwide.
The correct answer is B. Giving to charity
A and B are incorrect because they're not part of the 5 pillars. Finding ways to help other who are not as lucky as you is. Living in Mecca is not one of the pillars, but traveling to Mecca at least once in a lifetime is.