Thomas Paine's book, Common Sense, supported independence of the North American colonies.
He said that it was common sense that the colonists should be free of their former masters because now they were a new country/continent and had to take care of themselves. The other options have nothing to do with this pamphlet.
The constitutional right to bear arms for example as of recent has been getting the attention of many asking to put restrictions on guns which is against the constitution as no rights shall be infringed Also many people are being silenced for using their constitutional right of free speech even some getting arrested for exercising this right
Economic issues both had problems in economics after World war 1
This union between these two individuals created Spain
Both wars sucked up several major powers into the conflict. In addition, in both wars the central conflict did not involve the USA, but the USA was sucked into it for ideological and business interests. the war ended in a a peace treaty, and there was no decisive victor, but it appeared the USA lost the war politically because of the unpopularity of both wars.