Answer:
One of the telegraphs problems is that telegraphs take time to decipher. They also always have to put in the word STOP at the end of a sentence. Making it confusing for those who don't understand. Another being that, telegraphs use morse code. Many people do not know morse code, which is why telegraph offices existed in the first place.
California<span /> was known for their beet sugar also.
ANSWER: the map can be a primary or secondary source. If a map was produced as immediate evidence of an area, then it is a primary source. If the map is just a symbolic depiction of a space then it is a secondary source.