The national parks of the United States are created by an act of congress and signed into law by the ______.
A:
A:
举一反三
- National parks in the United States are created to protected them from commercial activities.
- The United States Congress of the United States is made up of the Senate and the ________.
- Yellowstone National Park is one of the （）parks in the U.S. It was established by Congress in 1872. A: one of B: older C: established D: by Congress
- The national flag of the United States is .
- In the United States, congress makes the laws and the President _______ them．