Why can rapid population growth rate be a problem for a nation?

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

Democratic vs democratic whats the difference? ?

The language and religion of france developed from which people? a. the franks b. the gauls c. the anglo-saxons d. the romans