Self defense because in order for them to seem more powerful and they also needed i to gain more protection.
Answer:
D
Explanation:
Trade along the rivers opened the Rus population up to the Byzantine, who practiced orthodox Christianity and used something close to the cyrillic alphabet. the term Czar or Tsar (depends on translation) comes from Caesar, just like the German Kaiser.
After World War II, the U.S. stepped in and helped them rebuild their economy and country infrastructure. The U.S. helped them make their current constitution that enabled Japan to have an economic boost. Nowadays, Japan makes most of the electronics and cars you see today.
I hope this answer helped you! If you have any further questions or concerns, feel free to ask! :)
