The longest global trade route before the rise of Europe was the 5000-mile (8000 km) __________ __________ along which goods moved overland (and on the Mediterranean Sea) from Venice to Chang-an (Xi'an) in China.
Fill in the blank(s) with correct word
Question 2
Many factors, such as education and wealth tend to cause an increase in birth rates.
Indicate whether the statement is true or false