What early crop did both the olmec and the maya grow?

Most goods that came into ancient rome traveled by what?

How did the phoenicians add to the goods available in their marketplaces?

The 1884 amendment added onto the chinese exclusion act included what additional stipulation? the law would apply to ethnic chinese regardless of which asian country they originated from. the law would provide newly arrived chinese immigrants with land in the oklahoma territory. the law would establish all chinese americans as permanent aliens and deny them citizenship. the law would prohibit chinese immigrants from reentering the united states once they exited.