The correct answer should be <span>b. the Industrial Revolution
It is after this period and during, that labor groups began to organize themselves.</span>
During the twentieth century, the federal government of the US country becomes stronger, more powerful, and richer in comparison to the previous years.
<h3>What is the federal government?</h3>
The government in the country of the US is called the federal government. It includes the various states and provinces of the US country which have the power to make relevant laws and take reliable decisions.
The US country became the leading country in the year 1917 in the political world. After world war II, the US country becomes more powerful in the whole world. They become a member of the trading organizations and military organizations of the world. They also had a lead role in political scenarios of the world.
Therefore, the federal government of the US country has developed a lot in the 20th Century.
Learn more about the US in the 20th Century in the given link;
brainly.com/question/15387599
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James Oglethorpe wanted the highland Scots to move to Georgia because there where feisty people and they liked to fight.
Western democracies had always been hostile to the idea of a communist state. The United States had refused recognition to the USSR for 16 years after the Bolshevik takeover. I hope my answer has come to your help. God bless and have a nice day ahead!