: easily fooled or surprised: not aware of and careful about possible problems, dangers, etc. easily fooled or surprised: not aware of and careful about possible problems, dangers, etc.
The maps from the 1997-2014 Edition of the National Atlas are formatted in a standard 8.5- by 11-inch landscape format. Each map can be viewed online, printed, or downloaded. The Federal Government owns nearly 650 million acres of land - almost 30 percent of the land area of the United States. Federally-owned and managed public lands include National Parks, National Forests, and National Wildlife Refuges. These are lands that are held for all Americans.
Political system of the United States. The Federal Government of the United States is the national government of the United States, a republic in  North America, composed of 50 states, one district, Washington, D.C. (the nation's capital), and several territories.