What is the function of political parties in American politics today? (Describe what they do.)

Political parties in American politics today perform the primary function of:

coordinating party candidates to contest in the U.S. elections under their parties ideological platforms.

Explanation:

Political parties are organizations formed for the purpose of enabling candidates to contest and win elections.  They produce policies and programs for the government in power to execute and enable the people to have access to such policies and programs.  They form and run the government when they win elections.  If they lose, they provide critical opposition voices, which help the ruling party in shaping their policies and programs.  They also mold and alter public opinions to suit or support their party ideologies.

the allies overtook outlying islands to make access to japan easier.

answer; to be the responsible party for healthcare delivery through medicare and medicaid programs;