TASK DEFINITION: We would like you to assess the QUALITY of each of the following argument (discussing Gun Control) and determine if the argument is Valid or Invalid. A valid argument is clearly interpretable and either expresses an argument, or a premise or a conclusion that can be used in an argument for the topic of gun control. An invalid argument is a phrase that cannot be interpreted as an argument or not on the topic of gun control.
PROBLEM: Cornell is right when he suggests that an individual right theory was discussed, because that point was conceded and no one disputed that the black men who suffered under Cruikshanks actions had an individual RKBA.

SOLUTION: Valid

PROBLEM: You haven't explained how the selected features make a selected firearm more offensive than they would be without them attached.

SOLUTION: Valid

PROBLEM: Many countries sold, traded, destroyed, and/or donated these carbines to other countries and/or private gun brokers.

SOLUTION:
Valid