When the prospective tenant signed the lease, he indicated that he would be using the building to sell appliances. later, the landlord discovered that illegal bingo games were being played there. what can the landlord do?

The landlord can declare the lease void and start eviction proceedings since the prospective tenant has committed a breach of contract because instead of selling appliances in the building as indicated in the signed lease, he instead used the building to allow illegal bingo games to be played there.