What do mn mean in text

What is a person called when they are on your side and supports you

Why is the netherlands vulnerable to changes in climate? a. the netherlands is against nuclear power. b. forests in the netherlands have been destroyed by acid rain. c. the netherlands wrote the kyoto protocols. d. the netherlands is low-lying country, and rising sea levels may cause flooding.

Arecent challenge to the european union created by a member state is?