It was an action which was taken as a reason to start a war, so yes, there was causation

As if there are no other pieces at the present time

After reading the other comments for a bit, it may depend on the tomatoes. The tomatoes I tend to use don’t need to balance out as much, I suppose

This is ridiculous, I hardly ever make tomato sauce with (added) sugar and it tastes delicious. I suppose if you’re used to sugar being in everything it may taste odd, but it is far from horrendous