When employers and union representatives meet to discuss conditions of employment what is this called

Which events are correlated but do not necessarily have a causal relationship?

Which distinctive feature of the notre dame cathedral allowed it to accommodate its large stained glass windows? a. its barrel vaults b. its flying buttresses c. its quadrant arches d. its square bays

When lincoln was first elected president, he hoped to prevent war by allowing (1) in the united states.