= show publicly that you think something is wrong
protest
= an event where there are talks on a particular subject
conference
= a period of time when a person refuses to do something for a particular reason
strike
= when you are brave in a difficult situation
courage
= chemicals used to kill insects, pests and small animals
pesticides
= stop something from happening, usually by law
ban
= family origin, family history
family's roots
= not give any attention or importance to something
ignore