Find the word for : flat-bottomed
boat used to
float goods and
passengers
downriver

When does a metropolitan area become a megalopolis?

What rules did the monroe doctrine set for the united states?

How does specialization enable countries to trade with one another? a country can make and sell goods affordably and buy goods that it is inefficient at making. a country can make what it chooses and sell its goods to other countries. a country can decide to buy everything it needs from other countries. a country can efficiently make goods that were once difficult to make.