The correct answer is B. Lyndon B. Johnson - Civil Rights Movement.
Explanation
Lyndon B. Johnson (1908-1973) was an American politician and leader who stood out for being provisional president of the United States after the assassination of JFK (1963) until 1969. As a political leader, he stood out for his struggle in favor of civil rights especially racism. Another of his efforts was to help the poor who benefited from the Income Law and the Economic Opportunity Law. So the correct answer is B. Lyndon B. Johnson - Civil Rights Movement.
Crispus Attucks was the first casualty of the boston massacre.
<span>The people practiced religious toleration and the United Provinces was a Republic not a Kingdom</span>
The system of government being referred to here would be a "bicameral" system of government, since there are two main legislative bodies--each intended to deal with a different aspect of each smaller territory (states, in the US).