Explain how life in the cities improved in the late 1800's and early 1900's. be sure to include innovations in public transportation and travel as well as how technology solve some of the problems o crowding.

The truman doctrine created what? a pot holes in i-25 b lack of concern for space missions c a new technology that would erase german radio waves. d the worldview that the u. s. is just and good and that the u. s.s. r. is tyrants and mad men. answer