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.
Answer:
Prophet ,statesman ,author ,and reformer.
Explanation:
He has earned for himself as a consequence the respect and reverance of countless people , muslim and non-muslim everywhere.
A - Because they are a direct link to the events in history
Primary sources are sources that came from that time of history from the same location, time period, and era. For instance, journals from World War II from a French Military leader. These are direct links to that time in history and are the most accurate sources that are presented.
B is incorrect as even without these sources there are other methods to know about history such as secondary sources.
C is incorrect as primary sources are not the only way - again, secondary sources are a thing.
D is incorrect as secondary sources are reliable and can be trusted, but they just aren't as important and well, direct as primary sources.
Hope this helps!
1.This map is an example of a politcal map 2.This map an be used to locate politcal boundaries.
Explanation: If the map is a politcal map it is used to locate politcal boundaries. Example of a politcal map:
