What are the advantages and disadvantages of gunpowder?

No African American soldier was awared the medal of honor during world war 2 thankfully think has been corrected? Did the strategy island hopping work in world war 2? What inventions were invented in the mid 19th century? I understand that it is written somewhere that the life expectany of a soldier in Vietnam was some seconds or minutes. Do you have the answer? What happen in Appomattox Virginia? What percentage of steel did the central powers produce in world war 1? How many bombs were dropped on Glasgow in World War 2? What major world event brought an end to the Great Depression? What did boys were during world war 2? What was the oldest age to be evacuated? Why rizal deserves to be called a hero? What were some of the communist countries in the late 1940s? How did geographic political economic socialogical and psychological reasons cause World War 2? Who was Hannibal Hamlin? Where is churhill's home? When did Saint Michael live? Why do people walk the kokoda track? How has the atomic bomb evolved over time? Did the south civil war lost money? What happened on July 8 1985?