The two consequences of the California Gold Rush is it had an severe environmental impact. Another consequence was the rivers were clogged with sediment.
The Twenty-sixth Amendment lowered to voting age to 18.
Many campaigners used "Old enough to fight, Old enough to Vote".
Hope this helped.
Serfs were mostly peasant farmers who provided labor in their masters land. Peasants would pay the lord by working for them in exchange to use their lords land to generate their own food. Serfs did not have money. they were basically slaves. They would work at least three times a week. The serf was bound to work in a single manor. The status of serf was passed down to their children.
Safavids were members of a dynasty that had ruled Persia through 1502 to 1736 and they made the Shia as there state religion
I guess one vote decrease