For centuries Europeans and Arabs had sailed around its coasts using as reference the visible points of the littoral and their knowledge of the depths (probes) in different places. When, at the end of the 15th century, the Portuguese and Castilians began their more distant voyages of exploration and discovery, their navigation instruments were:
They knew the limitations and errors of navigating by esteem. They also knew that the magnetic declination was not constant but varied with place and time. They knew that the polar star was not located just above the celestial pole and knew how to correct the error introduced in the measurement of latitude by observing nearby stars (the "guards").
b. larger populations of Jews in eastern Europe.
c. the growth of Zionism.
d. political parties that endorsed anti-Semitism.
According to Albert Einstein's special theory of relativity,:
a. if all material things disappear out of the universe, only other stuff would remain.
b. only space and time exist independently of the human experience.
c. if all material things disappear out of the universe, time and space would disappear with them.
Answer:
Historians work to understand the circumstances of those living in the historical time period.
Explanation:
B) Kinship.
C) Monotheism.
D) A mission.
3. A group of people that descended from a common ancestor is called a(n)
A) empire.
B) dynasty.
C)colony.
D) clan.
4. The Native Americans were able to preserve their customs and beliefs through.......
A) bartering.
B) migration.
C) war.
D) oral histories.
5. Because the Native Americans were considered an agrarian society, their survival was based largely around what?
A) religious rituals they performed
B) geography
C) trade routes
D) kinship
6. Where were the first settlers to the Americas believed to have migrated from?
A) Mexico
B) Scandinavia
C) England
D) Asia
7. The Mississippi River and the Great Lakes were considered
A) borders between tribes.
B) popular fishing sites along the Atlantic seaboard.
C) natural trade routes.
D) sacred burial sites.
8. Why was the family important in Native American society?
A) considered sacred in their religion
B) government required clans to stay together
C) issues related to inheritance
D) they provided for one another
9. By what way were first known settlers to the Americas believed to have traveled?
A) horses
B) buffalos
C) primitive canoes
D) land bridge
10. As a means of survival, the Native Americans:
A) relied on trade.
B) engaged in constant battle.
C) adapted to and lived off the land.
D) eventually migrated back to their homeland.