This personality trait is used to decribe people who present creative or imaginative insights. They tend to have many interests and enjoy experiencing new situations. "Open" people also enjoy thinking about abstract concepts and find novel solutions to any problem they might encounter.
The most likely reason was that Italy and Germany expected the Nationalist to be friendly to them, and that would give them an ally in Europe. Additionally, it was a chance to train their war strategies.
Price ceilings a situation when the price charged is more than or less than the equilibrium price determined by market forces of demand and supply. I hope this answer helps and mark as brainliest.