What are the two sects of Islam and what do they disagree on

Two sects: Sunnis and Shia

Disagreed on school related problems

Explanation:

The ancient schools of fiqh or sharia in Islam are known as "madhhabs." In the beginning Islam was classically divided into three major sects. These political divisions are well known as Sunni Islam, Shia Islam and Khariji Islam.

the andes or andean mountains (spanish: cordillera de los andes) are the longest continental mountain range in the world, forming a continuous highland along the western edge of south america. this range is about 7,000 km (4,300 mi) long, about 200 to 700 km (120 to 430 mi) wide (widest between 18° south and 20° south latitude), and of an average height of about 4,000 m (13,000 ft). the andes extend from north to south through seven south american countries: venezuela, colombia, ecuador, peru, bolivia, chile and argentina.

from wikipedia

hope this !

i think its provide for the common defense