Is this a multiple choice question? If so, please post the answer options. :)
In 1931, the Japanese invaded Manchuria, and the League of Nations did nothing to halt the aggression.
Cuba became a communist country
<u>Since 1872 the United States National Park System</u> has been a natural, historical, recreational, and cultural areas throughout the United States, its territories, and island possessions.
The country's national parks contain volcanoes, glaciers and grass rivers, as well as mountains, valleys and bodies of water. <u><em>Each park went through a period of discovery, exploration and understanding that </em></u><u><em>must be preserved for future generations</em></u>. <u>Today the process continues</u> as more land is reserved to be managed by the National Park Service <u>in an effort to preserve the nation's rich natural and cultural history</u>.
