Complex sentence: The US Weatherization Assistance Program (WAP) was created within the US Department of Energy in 1976 to help low-income families reduce energy consumption and costs across all fifty states, the District of Columbia, including Native American tribes.
Split into simpler sentences: The US Weatherization Assistance Program (WAP) was created in 1976 to help low-income families reduce energy consumption and costs. WAP reaches across all fifty states, the District of Columbia, and Native American tribes.