The term 'invisible hand' was first used by Adam Smith in the 18th century to describe the efficiency in the autoregulation of free markets, where free means not externaly intervened by governments. Intervention distorts markets and harms the efficiency of their functioning.
The main principle behind is that, when individuals pursue their "private" efforts they are generating larger wealth for society as a whole than if their first intention was to help society. The markets will be in charge of channelizing individuals interests into socialy desirable outcomes.
When the U.s supreme court decides a case, The chief justice writes a majority opinion if he or she was in the majority
The chief justice usually assign a trusted person to writes this opinion
hope this helps
A nation would most likely use military force to either portray power or for provoked reasons. You didn’t give the answer choices so I’m not sure how to help you.
One branch to have more power than the rest.
