Answer:
Main cause were British policy in colonies which included heavy taxation, while main effect was the creation of independent of United States.
Explanation:
After French and Indian War Britain continued to impose heavy taxes on colonists, and according to them did not respect their guaranteed rights. Although, they opposed this British ruler and Parliament were deaf to their pleas. That is why war started. It led to American Independence and lost of these territories for Britain.
Physical: showing physical features, valleys mountains etc.
political: shows state, county, country eyc boundaries.
The immediate cause of this was because they wanted to undo the german revolution (1918-19) it was the so called governments “resolution” to force demobilization of *free corps*
hope this helps :)
It increased the amount of war and infighting in west Africa and depleted African resources.
I wonder whether there would be also other options, but one very important aspect is the smog: the city center is where many industry-relevant things meet: the factories are all around it, transport, cars... and since it is surrounded by bad air, the air takes longer to dissipate. This is especially visible if the city is in a valley, such as Mexico city foe example.
