B he invented a new branch of mathamatics called geometry it could be used to calculate speed direction and position of moving bodies like the planets
I believe the answer is A) Logging, but I'm not 100% sure.
I am not sure on what the right answer is but I would choese C or D.
Answer:
Explanation:
The samurai (or bushi) were the warriors of premodern Japan. They later made up the ruling military class that eventually became the highest ranking social caste of the Edo Period (1603-1867). Samurai employed a range of weapons such as bows and arrows, spears and guns, but their main weapon and symbol was the sword.
