Your right to to stay or leave the house when he shows it. You can not legally prevent his from showing his property.
All he has to do is give 24 hours notice. You cannot stop him. Once notice is delivered, he doesn't need your permission or your presence to enter.
How do you think landlords get new tenants? Have you never looked at an apartment that had people living in it?
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.