It was the The Battle of Antietam during the Civil War that was the bloodiest single day in American history--with he battle leaving roughly 23,000 men killed or wounded.
The USS Maine was sunk in the Harbour of Havana, Cuba, during a revolt of the cubans against Spain. Public opinion in the USA was that Spain was to blame. Starting as a diplomatic issue between Spain and USA, rapid escalation resulted in war between the two countries.
Freedom of speech, religion, press, bearing arms
The president in 1947 was Harry S. Truman
Answer:
Vladimir Lenin, H o Chi Minh and Moa Zedong