1.) became the world's first national park.

2.) lyndon johnson declared an "unconditional war on " in america.

3.) created in 1965, is a program that provides free health care for poor people.

1. Yellowstone became the world's first national park.
2. Lyndon Johnson declared an "unconditional war on poverty" in America.
3. Created in 1965, Medicare is a program that provides free health care for poor people.