Which phrase characterizes the perspective most investors had of the stock market in the first half of 1929?
o a.
cautiously optimistic
ob.
strongly enthusiastic
c.
very cautious
d.
cooling enthusiasm

b. africa to the americas

explanation:

ok

explanation:

answer: the time zones used to be whatever the local authority wanted them to be. one town might have 6am whenever the sun came up and another town had 6am 10 minutes later.  

the trains had a hard time when their orders said to be at a certain point at 6am.  

6am, but who's 6am.  

the railroads got together and set the time zones more or less along the longitude lines across the country.

explanation: