Why did china keep the process of silk making secret?

In order to get a consensus between anti-federalists and federalist to be able to forward on the constitution, james madison advocated for a bill of rights. what was the purpose of the bill of rights for citizens of the united states?

How does the supremacy clause of the u.s. constitution affect the states? o a. it requires each state to establish a supreme court. b. it declares that the federal government can take away state powers if necessary. o c. it allows state governments to overthrow the federal government if necessary. o d. it ensures that the u.s. constitution overrules each state constitution

Gretchen opens a high-end bakery in a busy section of town. customers pay top dollar for her quality baked goods. just two months later, emily opens a bakery across the street. she also sells baked goods but uses lower- quality ingredients and has a less appealing shop. some of gretchen's customers take their business to emily's bakery because her prices are lower. which industrial revolution-era system or movement is reflected in this scenario? o a. romanticism o b. marxism o c. social criticism o d. capitalism