Complex sentence: She was a small part of a massive national effort located within the U.S. Department of Agriculture to provide rural electrification in 1930, only 13% of all farms had electricity, but by 1950,93% of all farms had electricity.
Split into simpler sentences: She was a small part of a massive national effort located within the U.S. Department of Agriculture to provide rural electrification. In 1930, only 13% of all farms had electricity, but by 1950,93% of all farms had electricity.