The Chinese people invented the Seismometer during the Han dynasty to help predict natural disasters. The Seismometer measured the motion of the ground, and things included of seismic waves such as, earthquakes, volcanoes, and other things that involve explosions that are generated by seismic waves.
Northwest Ordinance of 1787
During the period between 1775 and 180, many African Americans gained freedom from slavery, yet during the same period, the institution of slavery expanded. The changes took place in different locations in the United States of America. The Northern states opposed slavery while the Southern states still enforced slavery. Many African American slaves managed to escape from the South to the North where they were freed from slavery. The freed African-American slaves spent their time working towards helping the slaves in the Southern states escape towards the North. The slaves in the South were forced to work on the tobacco and cotton plantations. They bided their time until they were able to escape.
Helios threatened to not shine anymore.
Technically Helios threatened to only shine in Hades, among the dead. However, this is the most similar to what happened in the legend. Therefore it is most likely the correct answer.
In the United States, both the President and the State Department are responsible for foreign policy, although most of these powers are delegated to the Secretary of States.
