I believe it is B. National Defense Act
The most effective topic sentence for an essay paragraph would be to reference the 1964 Civil Rights Act as a result of the March on Washington.
<h3>What was the march on Washington?</h3>
The March on Washington was a large demonstration that took place in the city of Washington, D.C. on August 28, 1963. During this demonstration one of its leaders was Martin Luther King Jr. who would go down in history for delivering his historic "I have a dream" speech.
This march had the purpose of demanding employment, justice and peace. Estimates of the number of participants were close to 300,000 people, of which about 80% of the protesters were African American and 20% white and other ethnic groups.
This march also went down in history for the results it brought because it greatly contributed to the approval of the Civil Rights Act (1964) and the Voting Rights Act (1965).
Learn more about civil rights in: brainly.com/question/1142564
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Answer:
The opal is the National Gemstone of Australia. The opal is almost exclusively located within Cretaceous sedimentary rocks of the Great Artesian Basin, Intense weathering resulted in extensive silicification at relatively shallow levels within the Tertiary regolith.
Answer:It is North America and Asia
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