How was rome like major cities today

Micah is studying child behavior in playgrounds throughout the world. he wants to see how the children react when teachers select the same child to be the first to use each piece of equipment. which approach is micah is using?

On the map above, what is the name of the island to the west of letter b?

Under the rule of constantine, what changed in the empire? a.the empire expandedb.the empire accepted christianityc.the empire banned all religionsd.the empire went into civil war