King John and kings and queens after him
"c. being your own boss" would be a non-monetary positive incentive for becoming an entrepreneur, since this means that you don't have to answer to anyone except yourself.
Vietnam become a single communist nation through the leadership and influence of Who Chi Minh. He embraced communism and he got support from China and Soviet Union to fight the French regime.
Hope this helps you! Brainliest? :)
"<span>d. high levels of both minerals and salinity" would be the best option, since without direct contact with larger bodies of water it's very hard for the minerals and salt to dissipate and "spread out".</span>