The form of government in which one person controls most of the governing decisions is a(n)

Dictatorship

Explanation:

Dictatorships are exercised from the decisions of one person or group of persons, without respecting the interests of the population or democracy. In this form of government, dictators appropriate the three powers, judiciary, legislative and executive, that is, power is concentrated. In contrast, to this form of government there is democracy.

Autocracy

Explanation: This is a system of government in which there is a supreme political powet which is highly in the hands of an individual whose decisions are not subject to any form of opposition or argument.

In this system of government anything the autocratic ruler says is final.

world war i had a devastating effect on german-americans and their cultural heritage. up until that point   german-americans, as a group, had been spared much of the discrimination, abuse, rejection, collective mistrust experienced by so many different racial and ethnic groups in the history of the united states. indeed, over the years, they had been viewed as a well integrated and esteemed part of american society. all of this change with the outbreak of war.