Answer:
C. The citizens and government have a positive attitude towards the United States.
Step-by-step explanation:
When you help someone, usually that person will look positively at you and will look to help you and support your interests in the future, that's perfectly human.
So, if a foreign country received help from the United States, it will certainly help the US foreign policy in the future.
Neither of the 3 other answers are related to the humanitarian aid received after a natural disaster.