The Second Battle of the Marne was significant because it
a. was the first time American troops saw action in France.
b. marked a temporary reversal of the Allies progress in Europe that extended the war by, at least, six months.
c. was the first time American troops fought by themselves.
d. saw the first use of combat aircraft.
e. marked the beginning of a German withdrawal that was never reversed.
Question 2
As president, Dwight Eisenhower supported
a. putting the brakes on military spending.
b. the abolition of the Social Security system.
c. the dismissal of his secretary of health, education, and welfare for condemning free distribution on the Salk polio vaccine as socialized medicine.
d. the continuation of the Tennessee Valley Authority.
e. a stronger voice for organized labor.
Changes in Earth's atmospheric carbon dioxide levels over geological time.
Juvenile American alligator swimming, showing the distinctive yellow striping found on juveniles
American Children with Working Parents
In American Progress (1872), John Gast depicts a feminized (and eroticized) America moving westward,
This Native American depiction of the Sand Creek Massacre, painted on a buffalo hide, shows the Indi
The Hfr chromosome time-of-entry map is assembled from the recombinant data