Through multiple revolutions people have adapted to and affected their environments. As civilizations settled, new advances in agriculture and tools were made to allow for a less-nomadic society. Through advances such as iron tools and food stock, civilizations settled creating the basis for large empires to come later. Also through the innovation of weapons and armor, empires were able to better control and defend larger territory allowing for exponential expansion. Finally, with new advances made by different civilizations, trade increased as demand for new products from other empires grew.
Everyone, no matter, their wealth will still have a fair trial.
The 24th Amendment prohibited poll taxes or other taxes as qualifications for voting.
Poll taxes had been a way states had discriminated against black voters, by using their lower income status and poll taxes as a way to prevent them from going to the polls. During the civil rights movement of the 1950s and 1960s, this was challenged. The 24th Amendment, ratified in 1964, said: "The right of citizens of the United States to vote in any primary or other election for President or Vice President for electors for President or Vice President, or for Senator or Representative in Congress, shall not be denied or abridged by the United States or any State by reason of failure to pay any poll tax or other tax," and added: "The Congress shall have power to enforce this article by appropriate legislation."
The Confederacy? The interest seems to be the act of slavery and the war Lincoln is talking about must be the Civil War, which was taking place while Lincoln was addressing his second inaugural. Lincoln was reasoning that the Confederacy was fighting to keep slavery, which is the interest the "insurgents" have. Lincoln also did not want slavery to continue to spread, but he was fine with having slavery, "restrict the territorial enlargement if [slavery]".
The fighting between France and Britain in Europe and the Caribbean helped the American cause because 2) it left fewer British troops to fight in North America. The Americans had often felt ill-equipped compared to the British army, so the less people there were fighting for the British side, the better.