New ballgame and New deal

New ballgame noun - A particular situation that is radically different from the preceding situation.

New deal and new ballgame are semantically related. in major change topic. In some cases you can use "New deal" instead a noun phrase "New ballgame".

New deal noun - The economic policy of F. D. Roosevelt.

New ballgame and new deal are semantically related. Sometimes you can replace phrase "New ballgame" with "New deal", this phrases are similar.