You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "who has power to declare war in the united states?" whose answer is Congress.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who has the power to declare war in the united states
Useful Output:

Doc 1: The Constitution divides war powers between Congress and the president. Only Congress can declare war and appropriate military funding, yet the
Doc 2: The Constitution grants Congress the sole power to declare war. Congress has declared war on 11 occasions, including its first declaration of
Doc 3: The Supreme Court has observed that only Congress has the power to declare war, but the implications of this exclusive assignment are not well-
Doc 4: Who has the power to declare war in the United States? According to Article I, Section 8 of the U.S. Constitution, Congress has the sole authority to declare
Doc 5: Article I, Section 8, Clause 11 of the U.S. Constitution grants Congress the power to declare war .