What does Herbert Hoover mean by "progress"

Hoover's war-time service made him a favorite of many progressives, and he unsuccessfully sought the Republican nomination in the 1920 presidential election. ... Hoover pursued a variety of policies in an attempt to lift the economy, but opposed directly involving the federal government in relief efforts.

Explanation:

not concrete, existing in thought or as an idea but not having a physical or concrete existence

uncanny would be like unlucky or disaster. you can look for more in the dictionary or if you have text book then turn to a. 17 but it's different with textbooks.