A cat. Our own cats got very scared, so scared that they hissed at us too because they were upset. I don't know if cats every get out of that because we've never had other cats around ours for more than a few weeks.
In that time, the cats never got along and we had to keep them separate. I don't think it's fair to get a new cat without seeing if it gets along with your existing cats. I know some people who get rid of the old one when it doesn't get along with the new one, and I just think that's the worst.
I don't like adding stress unnecessarily to a cat's life.
I had my sons cat, then he took him back home and I got my own. About 5 months later he had to leave town, and we took his cat in again, and we had this exact problem. It is a territorial thing.It took ours about 3 or 4 months before they would exist in the same room with one another.
Sometimes putting the newcommer into a kitty crate and leaving them in a room together helps. / That way they cannot hurt one another but still get to know each other. Try not to favor either one, for jealousy is a big problem.
For some reason my older boy cat hissed and growled a lot, and when I scolded him he did it more, but if I pet him and told him he was a good cat, he stopped immediately. I would not worry too much, but if things do get rough and they fight, sometimes a squirter bottle with water in it will stop that but don't do it very much. Don't feed them close together, but in time move their dishes closer a bit each day.
; You cannot force them to be friends but usually the younger cat will pursue the friendship. Cats make a lot of noise getting aquainted, so don't let the hissing and growling bug you too much. Sounds like the first cat just needs to be reassured and give her time.
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.