How can LDC/ MDC countries advance in their development, so that will be in the HDC
category?

president franklin roosevelt supported the tva as part of his first new deal measures approved by congress in 1933. this new agency was designed to control floods, produce electric power, and improve the lives of people living in the tennessee valley. the tva accomplished many of these goals despite problems.

john maynrd keynes developed new economic respose to the                           ( b. great depression if the 1930's)

any answer

the border between arizona and new mexico is a thin, black line; this indicates a state boundary.

its correct: it's a thin line, and it's a state boundary, correct