9. in which of the following did engineers make advances in tang and song china? select all
that apply.
(2 points)
masonry
flood control
irrigation
silver mining

What does president bush say could be the effects of not acting on his proposal

If the ussrs economy has remained agricultural-based rather than industrial, then a. the unemployment rate among men would have been much lower b. women would have been less in demand in the workforce c. crop productivity would have led to larger , better nourished populations d. children would not have had to leave school early to work in factories

Unlike most spanish and portuguese traders in east asia, most dutch east india company traders did what