He was so popular because he led the US through the Great Depression and World War II
" It carried the natural resources of the West-minerals, timber, crops, and cattle-to eastern markets. In turn, trains brought miners, ranchers, and farmers west to develop these resources further. "
Source : jiskha.com
Hope this helps
Just trying to get points hope you find the answer
Yes that’s the right answer to your question
I believe it was called Pioneer 10 which was an american space probe.
