How has the relationship between state and local governments changed since the early 20th century?
A. The principle of municipal home rule has centralized power in
state governments and weakened local leaders.
B. Local governments have won the right to make their own
decisions even if they conflict with state governments.
C. State and local governments have increasingly shared power in
order to challenge federal power and authority.
D. The establishment of Dillon's rule has forced both state and local
governments to agree on any changes to municipal laws.

These laws were not rigorously enforced, however, until the years between 1900 and 1920, when those sympathetic to the views of the progressives came to power. During this time, many of today's regulatory agencies were created, including the Interstate Commerce Commission, the Food and Drug Administration and the Federal Trade Commission.

Explanation:

relations between the soviet union and the united states were driven by a complex interplay of ideological, political, and economic factors, which led to shifts between cautious cooperation and often bitter superpower rivalry over the years. the distinct differences in the political systems of the two countries often prevented them from reaching a mutual understanding on key policy issues and even, as in the case of the cuban missile crisis, brought them to the brink of war.

the united states government was initially hostile to the soviet leaders for taking russia out of world war i and was opposed to a state ideologically based on communism. although the united states embarked on a famine relief program in the soviet union in the early 1920s and american businessmen established commercial ties there during the period of the new economic policy (1921–29), the two countries did not establish diplomatic relations until 1933. by that time, the totalitarian nature of joseph stalin's regime presented an insurmountable obstacle to friendly relations with the west. although world war ii brought the two countries into alliance, based on the common aim of defeating nazi germany, the soviet union's aggressive, antidemocratic policy toward eastern europe had created tensions even before the war ended.

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