referendum – n. election in which people in an area vote for or against an issue of public concern

abortion – n. a medical procedure used to end a pregnancy

source – n. where something comes from

moment – n. a very short period of time

lobby – n. an organized group of people who work together to influence government decisions that relate to a particular industry, issue, etc.

trace – v. find the origin of something

role –n. the part someone or something plays in an activity or a performance