What is mean by North people Congress in NPC

Northern People's Congress (NPC) is a political party in Nigeria. Formed in June 1949, the party held considerable influence in the Northern Region from the 1950s until the military coup of 1966. ... They produced the first prime minister whose office was created in 1957,and ruled throughout the first republic (1963-1966).

political parties perform an important task in government. they bring people together to achieve control of the government, develop policies favorable to their interests or the groups that support them, and organize and persuade voters to elect their candidates to office.

explanation:

  b.

there are isolated pockets of farming, generally around rivers and oases, which are used for irrigation.