literature: Author of Matilda,James and the Giant Peach and Willy Wonka?

Questions

Who was Anastasia & Drizella's stepsister?

Who was both the 22nd & the 24th president of the US?

Who was cremated on the banks of the Ganges river on January 31,1948?

Who was hanged & decapitated two years after he had died?

France and Mexico were involved in a year-long conflict popularly known as the ------------ in 1838. Mexico refused to pay for damage done by Mexican army officers to a restaurant run by a French pasty chef in Tacubaya, now a section of Mexico City.?