Answer:
C) a decreased focus on manufacturing
Explanation:
The shift from Jin to Song Dynasty between 1200 and 1450 led to an increase in population, a focus in agriculture and a decreased focus on manufacturing.
Answer:
B
Explanation:
The answer is B because they had a highly advanced numeral system with place values. Maya mathematics were also far ahead of Europe for many centuries.
Established judicial review (supreme court decides what is constitutional or not)
The correct answer is - C. 1975 - 1999.
The period between 1975 and 1999 was a period in which the world population grew for around 2 billion people. Even thought that is the same rise as in the period between 1930 and 1975, still this period is shorter, and is just 24 years the world population grew from approximately 4 billion people to approximately 6 billion people.