Null- having no legal or binding force
After the death of Timur in 1405, power began to shift from migrating peoples to sedentary populations living in large centralized empires. After about 1683, when the last Ottoman campaign against Vienna failed, the great empires for which this period is so famous began to shrink and weaken
I believe the answer is the first one
National efforts to reduce environmental risk are based on the best available scientific information;federal laws protecting human health and the environment are enforced fairly and effectively
Answer:
Life isn't worth living in sadness. Live it the way you want to.