This is two or more equations with common variables, also known as a linear system. System Of Equations
I believe it's Hinduism and Islam
The rainy day is a symbol of life. The idea behind it is that life is like a rainy day because rain represents bad things that happens to you. The poem points out that we shouldn't be miserable because of it because even when there's rain, there's always sunshine behind it so just keep calm and carry on with life and things will get better.
Answer:
One major log to the fire is the Civil War. The south was with slavery vs. the north who were fighting to abolish it.
Desiderius Erasmus is a former theologian and Dutch Renaissance humanistwho wrote important texts on techniques relating to humanism