How did the steam engine increase productivity at this time? please help me with my work ​

The introduction of steam engines improved productivity and technology, and allowed the creation of smaller and better engines. After Richard Trevithick's development of the high-pressure engine, transport applications became possible, and steam engines found their way to boats, railways, farms and road vehicles.

(not my answer found at: https://www.bibalex.org/sciplanet/en/article/details.aspx?id=71#:~:text=The%20introduction%20of%20steam%20engines,railways%2C%20farms%20and%20road%20vehicles. )

1 > george s. boutwell

2 > general ulysses s. grant

3 > james a. garfeild

4 > adolph e. borie