What is the external conflict of the book Al Capone Does your Shirts?

When did the old immigrants come to America? What did Marco Polo bring back to Italy after going to China? What happended to people that weren't mummies? How did Jews die during World War II apart from the concentration camps? What natural disasters happened during the great depression? How many first round NFL draft picks get guaranteed contracts? Who was Elijah clarke in Revolutionary War? What battle was Tecumseh killed in? What does spreadsheet software do? Were did colonists settle as more people moved to Maryland and Virginia? Which conqueror was born in Macedonia Europadied in Babylon Asia and buried? What was the Olmec main food source? Which teams did Emmitt Smith play football for? What caste is Purkayastha? Was Crueiform the oldest form of writing? What was used a warning system in the Old North Church? What nationality is the surname Mann? What city was the first capital of the US? How did the us make enough war supplies for troops overseas during WWll? When Union troops defeated Pickett's Charge at Gettysburg in July 3 -1863 what did they shout at the fleeing Rebels and why?

What is the external conflict of the book Al Capone Does your Shirts?