Which of the following is true about the method employers use to reduce an organizer$$s solicitation opportunities?

Question $23$ options:

Employers can allow organizers to solicit on quasi$-$public property, such as shopping mall courts or parking lots.

Employers cannot restrict computer and e$-$mail system use to working time only.

Employers cannot block employees$$ incoming e$-$mails.

Employers can force employees to leave working areas and plants at the end of their shifts.