Help me SIU

Which excerpt from the passage provides evidence of a chronological structure? o “slavery was abolished thirty years before the emancipation proclamation." "the sugar plantation owners were desperate." "so the british owners looked to another part of the empire." "thousands of men and women were given five-year contracts.

Idon't know which one from these two forms is correct! "he believed that the technology of the future would allow robots to do the same tasks as a human." or "he believed that the technology of the future would have allowed robots to do the same tasks as a human. , it's ! i need your !

He picture shows a fishing technique called trawling. how might trawling affect marine biodiversity? decrease biodiversity by harvesting everything in its path, so that unwanted fish are unnecessarily killed