What do biologists believe is to blame for the decrease in the amount of fish in the Columbia River? Question 3 options:

Pollution, a breach, and spawning

Fish hatcheries, fish ladders, and fishing

Fish hatcheries, pollution, and dams

Dams, a breach, and pollution

image result for what are some causes and effects of pontiac's rebellion?

the colonists were also expected to pay a tax to meet the costs of establishing and manning the borders of the proclamation line which led to the belief that the king had sided with the indians despite pontiac's rebellion, against the interests of the settlers. this contributed to the causes of the american revolution.

there are hundreds of postives ways to unite a country with another country here are a   few

1 peace treaty's peace treatys

are basically a document signing a allliance with one country and another.

2 gift

what i mean by this is for example how the french gave the americans the statue of libery a gift of peace.