How did nationalist feelings endanger the austro hangarian empire

a. too many of its citizens supported the emperor
b. the austrian citizens were opposed to the emperor retaining power
c. there were too many different religious groups being controlled by the government
d. the slavic groups within the country kept fighting for independence

The correct option is D

After the defeat in the First World War, various national movements emerged that promoted the dissolution of the Empire and the formation of nation-states that welcomed the diverse ethnic groups existing in the region. In 1919, Austria-Hungary was dissolved, giving rise to the German states of Austria, the Kingdom of Hungary, Czechoslovakia, the Free State of Fiume and the State of the Slovenes, Croats and Serbs, while some regions were annexed by neighboring countries .

on this day in 1913, henry ford installs the first moving assembly line for the mass production of an entire automobile. his innovation reduced the time it took to build a car from more than 12 hours to two hours and 30 minutes.