Which extensive tribe forged a political confederacy to strengthen their influence and resolve internal disputes? 

The piston pin may also be called a ________ pin.

Sort the document types into “primary” or “secondary” sources: 

An SOHC V8 engine has how many camshafts?

Which New World crop soon became a dietary staple for Europeans? 

The metric unit for torque is which of these?

A normally aspirated automobile engine loses about ________ power per 1000 feet of altitude.

A four-cylinder engine fires one cylinder at every ________ degrees of crankshaft rotation.

The volume in the cylinder above the piston when the piston is at the bottom of the stroke (BDC) compared to the volume in the cylinder above the piston when the piston is at the top of the stroke (TDC) is referred to as ________.

Competition most drove the governments of European nation states in colonizing the Americas.