Which technological innovation is malleable and cheap to produce, allowing many products to be made of it?

What effect did john hay’s open door policy letters have on the imperial powers of britain, france, germany, russia, and japan? a. it provoked the imperial powers to declare war on the united states. b. it caused the imperial powers to restrict trade in their trade with china. c. it warned the imperial powers that the united states would soon declare war on china. d. it signaled to those powers that the united states would take a larger role in world affairs than before.

What spanish colony gained its independence in part due to the efforts and sacrfice of a village priest named father hidalgo? a. argentina b. venezuela c. mexico d. peru answer asap

The current laws today protect the rights of people with disabilities.    a.  trueb.  false