All terrorist organizations come from developing countries.

Minor Premise: Group X is not a terrorist organization.

Conclusion: Therefore, Group X did not come from a developing country.

Is this a valid or an invalid argument?
What form of categorical syllogism is this (affirming the antecedent/consequent or denying the antecedent/consequent)?
2)

Major Premise: Collective action theory states that a person will not join a protest unless she sees K-1 people participating.

Minor Premise: The person sees K-2 people participating.

Conclusion: The person will not join the protest.

Is this a valid or an invalid argument?
What form of categorical syllogism is this'''