Astronomy is the science that study stars, planets, galaxies and other thing that exist in the known universe. As a science it follows the same principles as other fields like chemistry or physics. Astrology is the theory that links certain behaviours or even prediction of the future based on the movements and the influences of the stars on our lifes. So, the difference is that one is a science field, the other is a theory.
2)a political group that was more secular than other Islamic groups that wanted to create a pan Arab state (all Arabs should unite in one country)
Answer:
In his inaugural address, Lincoln promised not to interfere with the institution of slavery where it existed, and pledged to suspend the activities of the federal government temporarily in areas of hostility. However, he also took a firm stance against secession and the seizure of federal property.