What kinds of objects were considered suspicious in this cartoon? What point is this cartoon making?

1. The objects considered suspicious were totally harmless objects and used for educational purposes such as maps, photographs, books and math tests thrown in the trash.

2. This cartoon is showing how the Anti-Subversive Committees were useless and existed to intimidate innocent people, without any evidence to incriminate them.

Explanation:

The cartoon presented in the question above is a criticism of the Anti-Subversive Committees, which claimed to be fighting a communist threat in the country, but acted abusively, making absurd decisions and intimidating innocent people who had no connection with the communist party, such as the teachers, as shown in the cartoon. People interrogated and monitored by these committees, without any incriminating evidence.

not sure might be he acquired the entire oregon territory from great britain