It took 6000 hours......................
Your going to have to be much more specific. Progress in what?
This is a bit subjective, because there are a few ways this sentence could be re-written, however "<span>Tom opened the box and looked into it, only to find it empty" is the most standard. </span>
Answer:
they turned inwards
Explanation:
until they got involved in germany and France and japan....
Answer:
population, economy
Explanation:
the increase in population leading to development of California as a state, the removal of Native Americans, and both the stimulation of economy and monetary instability
(hoped this helped if not tell me and ill try to follow up on my response
-purx)