The ottoman empire was called the “sick man of europe” in the mid-1800s because of a. natural disasters b. attacks from seljuk turks c. weak leadership d. military defeats (gradpoint)

How would i answer this for an exam?

India's population is made up of percent hindus.

Religious conflict in northern ireland started with a) cultural differences resulting from viking invasions around 800 b) england’s split from the catholic church in the 1500s c) rebellions in ireland between 1916 and 1921 d) the norman invasion of england in 1066