What has the TVA done to help people in the Tennessee Valley?

The agency built 16 hydroelectric dams in the Tennessee Valley between 1933 and 1944. TVA extension programs taught farmers new techniques that would help to control soil erosion and increase land productivity.

The TVA built dams on the Tennessee River and its branches. These dams hold back the water during the rainy season and prevent floods. Electricity produced at many of the dams provides power for more than a million people and thousands of factories

it foreshadows the theme of the paragraph and hints the topic that will be discussed in the paragraph!