Maria Mitchell had less difficulty being accepted in her field than other women probably because she a a. did not enter an all-male field. ab. hid the fact that she was a woman. a c. made a scientific discovery for which she became famous.

1. it was caused by feudalism

2. charlemagne used christianity as a major cornerstone for his rule. cloisters were built all over the empire to act as centers for the (re)population of the vast european wilderness.

3. the europeans feared the next raid every time chetak

i'm not so sure about #6. but i hope i you with the first 3.

the answer is b: an economic crisis throughout the country.

the steam engine.

the locomotive.

the telephone.

the telegraph.

the internal combustion engine.

the rifle.

ironclad ships.

electricity/light bulb.

it made the ground more soft which is better for the world because no one likes walking on a rocky road it hurts your feet