Which event started world war i?

a the sinking of the lusitania by german u-boats

b the assassination of archduke franz ferdinand and his wife, sophie

c germany’s annexation of alsace and lorraine after the franco-prussian war

d the russian enforcement of pan-slavism throughout slavic nations

e the signing of treaties in 1839 and 1867 to protect belgium’s neutrality

if the government does something the people dont like i tihnk threre would be a revolt

postive making stock not fall

negative   scams and   currpurt buisnesss practices

populist movement, in u.s. history, politically oriented coalition of agrarian reformers in the middle west and south that advocated a wide range of economic and political legislation in the late 19th century. thus in 1892 their leaders organized the populist, or people's, party, and the farmers' alliances melted away.

is this a true or false question? ?