Final answer:
The expansion of the federal government during World War 1 led to an increase in government power and intervention in various aspects of society.
Step-by-step explanation:
One effect of the expansion of the federal government during World War 1 was the increase in government power and intervention in various aspects of society. The government established numerous agencies and organizations to oversee wartime production, control prices, and manage resources.
For example, the War Industries Board was created to coordinate industrial production and allocate resources, while the Food Administration regulated food production and distribution.
This expansion of government control marked a significant shift in the role of the federal government, as it assumed greater authority over the economy and people's lives.
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