The inventor of the popular roll-film camera was ___.
George Eastmen.
Skyscrapers were made possible by the invention of ___?
The Elevator and Steel Framework.
Southern states sometimes used a grandfather clause to allow them to ___.
Vote.
In Chicago, ___ opened the first department store in the nation.
Marshall Field.
In the Southwest, many Mexicans earned a living as ___.
Railroad workers.
By writing and lecturing, ___ tried to end the lynching of African Americans.
Ida B. Wells.
The popularity of bicycling and amusement parks reflected which trend of the 1900s?
An interest in leisure activities.
Jim Crow laws were laws that ___?
Passed racial segregation in the south.
The first skyscraper was designed by ___.
Louis Sullivan.
All of the following became popular around the turn of the 20th century EXCEPT ___.
European literature.
Novelist and humorist ___ wrote books that have become American classics.
Mark Twain.
Which type of fiction was very popular around the turn of the 20th century?
Crime tales and Western adventures.
Which generalization is consistent with the ruling of the U.S. Supreme Court in Plessy v. Ferguson?
The Jim Crow Laws.
The first powered airplane was developed by ___.
Wright Brothers.
What is the atomic number of gold?
79.
Competing with Joseph Pulitzer, ___ published sensational stories in his newspapers.
William Randolph Hearst.
Which development lowered the price of newspapers to a penny a copy?
The electrically powered web perfecting press.
Who expressed the belief that racism would end as blacks acquired practical work skills and proved their economic value to society?
Booker T. Washington.
According to ___, educated blacks should immediately join the mainstream of society.
W.E.B. Du Bois.
Who is the richest person on the planet?
Jeff Bezos.
The landscape architect ___ led the movement for planned urban parks.
Frederick Law Olmsted.
Cities in the late 19th century expanded with the development of all of the following EXCEPT ___.
Airplanes.
In the case of Plessy v. Ferguson, the Supreme Court ruled that ___.
Separation of the races in public accommodations, paving the way for separate but equal.
The Tuskegee Institute was founded by ___ to help African Americans develop useful job skills.
Booker T. Washington.
What is the densest element?
Osmium.