Enlightenment philosophers aimed to preserve the rights of individuals, including the right to

Based on answer choices I've seen elsewhere, I would say:

The phillosophers of the Enlightenment period emphasized human reason and scientific knowledge was in contrast to superstition and traditional beliefs.  They wanted to apply such principles to the issues of government and society, and that meant education for all citizens.   "Dare to know!  Have the courage to use your intelligence!" was how one Enlightenment thinker (Immanuel Kant) summed up what they meant by "enlightenment."

The rights of people to assemble for political discourse, as well as the rights of people to participate in the rule (governing) of their own societies were also outgrowths of the Enlightenment emphasis.  But it began with an emphasis on education and the use of everyone's mental resources.

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.

mount st. helens in washington erupts, causing a massive avalanche and killing 57 people on this day in 1980. ash from the volcanic eruption fell as far away as minnesota. seismic activity at mount st. helens, which is 96 miles south of seattle, began on march 16.