George Mason contributed to the United States Constitution by becoming the chief supporter of the Bill of Rights.
Mason was a delegate to the<em> US Constitutional Convention</em> of 1787. However, at that time, he refused to sign the Constitution alleging the inexistence of the <em>Bill of Rights</em> and objecting the slave trade for navigation acts. Finally, he succeeded to introduce the draft that will served as the basis of <em>the United States Bill of Rights</em> during the First Congress in 1789.
Answer:
1880 1990 220 221 222 223 224. 225 226 227 228
Lyndon Johnson was elected as the youngest minority leader in
Senate. Soon after election the democrats had won majority leader
in the senate. This gained Johnson huge skill which he later
obtained passage of a number of key Eisenhower measures. Later in
the 1960 campaign, Kennedy was Johnson running mate, Kennedy ended
up winning and Johnson made the Vice President. After Kennedy died
Johnson was sworn in as president. In 1964 Johnson won presidency
with over 15,000,000 votes. The republican party was a ruling group
of the time in the nation and though Kennedy wanted to stop civil
rights, he never got time to. So the republicans in the nation all
swarmed to Johnson to a new civil rights bill and tax cuts.
source: white house.gov
Teddy Roosevelt was also known as the trust buster. He helped to stop the monopolies and the robber barons.
George Westinghouse along with Nicholas Tesla