Simplify the following text for a Grade 10 native English-speaking person.
Original: When the Allies liberated Montenegro , the National Assembly of Podgorica ( PodgoriÄ ka skupÅ tina , Ð Ð 3\/4 Ð Ð Ð 3\/4 Ñ Ð Ñ Ð Ð Ñ Ð Ñ Ð Ñ Ñ Ð Ð 1\/2 Ð ) was convened and voted to ban the King from returning and to unite the country with the Kingdom of Serbia on December 1 , 1918 , in violation of the Montenegrin Constitution .
Simplified: the national song is called Oj , svijetla majska zoroMontenegrin Cyrillic : Ð Ñ , Ñ Ð Ð Ñ Ð Ñ Ð '' Ð Ð 1\/4 Ð Ñ Ñ Ð Ð Ð Ð 3\/4 Ñ Ð 3\/4 `` Oh , Bright Dawn of May '' .