Answer C: breakup of the USSR
Those ways were:
overrode his veto of a resolution to limit presidential war powers; investigation of Watergate; and impeachment recommendations.
The answer is Ethnic groups
Explanation:
in time, in the long run, businesses save $$ by having less people on a shift. even if they spend millions on machines. the only people hired would be people 2 keep machines in working order therefore eliminating 401k's, retirement, etc....