Detailed Instructions: Given a text, write a compressed version of it in a single sentence.
Q: Iraq says the United States and Britain hold up delivery of needed supplies, using their clout in the United Nations. The U.S. government says it wants to ensure that Iraq is not buying items that appear to be humanitarian in nature but that could be used for making weapons.
A:
The U.S. government says it wants to ensure that Iraq is not buying items that appear to be humanitarian in nature but that could be used for making weapons.