According to the Article on the Generosity of Wealthy Nations

According to the article on the generosity of wealthy nations in helping low-income nations, the United States:

A) gave the least in absolute terms, although it had pledged to give the most.
B) was the largest single-nation donor, although in percentage of aid based on economic size, it was below most other developed nations.
C) was the only nation that could be counted on to help tsunami victims or provide free drugs for AIDS patients in Africa.
D) has dramatically raised the level of foreign aid during the past 20 years.