The correct answer is A. Technological advances such as s<em>team power, air brakes, automatica lubricators and steel tracks</em> have affected the railroads very positively, since it has made it possible that the rail network could become a safer, more efficient and more reliable means of transportation for goods.
You don't show options, so here are the different definitions
1. "the study of past events, particularly in human affairs."
2. "the whole series of past events connected with someone or something."
3. "a continuous, typically chronological, record of important or public events or of a particular trend or institution."
<span>A permanent settlement offers structure, you can harvest crops, and less danger so you will live longer.</span>
Answer:
German Americans began intentionally “assimilating” to avoid becoming targets.
The answer is going to be they dealt with floods, blizzards, and droughts. hope that helped
