What are hierogyphics?

Why were the Truman doctrine and the Marshall plan necessary? Which Civil War battle was significant in that the Union army was able to halt Robert E. Lee's invasion of the north? What branch of science studies penicillin? First name of early viking explorer? Which work of art was the first to be installed as a result of the arts in public places program? What is a historical landmark? How do you become an explosives expert? Which element of Greek and roman culture were revived in the 14th and 15th century? What is the coup d' tat? Who is Jane Fonda's dad? Is magnetite found near gold? What did President Truman ordered the desegregation of the? Was general haig a hero or a butcher? How did Harriet Tubman help the underground railroad become a success? Were the gains and advancements that came out of the scientific and Industrial Revolution enough to allow all the suffering the accompanied both revolutions? Who are New Jerseys early leaders? What was the weather in the battle of Tannenberg? What happened to blacks in 1940-60? Why did the crusades start? Who helped the Cherokee survive on the trial of tears?

What are hierogyphics?