Can someone help me with question numbers 18,19,20,21, and 22. This packet is due really soon!

How would you describe the state of germany between 1815 and 1848

Describe the technology advancements that lead to explorers being able to sail great distances. [[ps: doesn't explain where. i am only speculating it's in europe.

What is the relationship of the letters n. y.l> w. c to the new york infirmary for women and children