<span>The answer is Widespread exploration was made possible in the 1400s by the growth in wealth in Europe as well as new technological developments in ship building that made traveling far distances more attainable.</span>
Answer:
It's 1000 gecs. I'm not really sure but this is what I found when I was doing my research.
Answer;
C. a common language.
In the 1800s, an important motivation for both "old" and "new" immigrants to settle in ethnic neighborhoods was a common language.
Explanation;
The old immigrants came from the northern or western Europe while the new immigrants came from southern or eastern Europe.
Old immigrants were protestant while the new immigrants were Catholic , Orthodox or Jewish.
<span>c. one house can act as a check on the other.
</span>
I believe the answer is A, good luck