Which of the Following Is an Example of an Effort

Which of the following is an example of an effort to decrease physical capital differences between an advanced and a developing economy?

A) NGO volunteers teach English around the world.
B) Through World Vision,women and children in Africa receive education.
C) Australian troops build roads in Afghanistan.
D) Habitat for Humanity builds houses for low income families in Australia.
E) Creating Hope International trains women in Afghanistan to become tailors.