Answer:
Advances in assembly line mass production
Large-scale production reduces costs of automobiles
Growth in personal automobile ownership
Commuters face traffic congestion
Explanation:
After the First World War, the car became one of the main transport vehicles. Thanks to the introduction of conveyor production, car models available to people with average incomes occurred.
A revolution in the American automotive industry was made by T model of Henry Ford, who used the American standardization system on his conveyors. Thus the era of continuous production began. In 1908, Ford launched the Model T with a 20 horsepower engine. The demand for this model was so great that already in 1912 a new plant was built for its assembly in Michigan, exemplary for its time.
The conveyor method gave a giant acceleration to the production of cars - 1000 per day or more, and also led to a reduction in the production costs.
An individual car has become a more massive means of transportation than public transport. The car, in turn, caused a revolution in the road business, influenced urban planning principles, stimulated the growth of the metallurgical, glass, rubber, paint and varnish and oil industries, and a car service industry arose.
To stop the spread of communism. Hope this helped!
B , Without the faith if people there wouldnt have been a mandate of heaven it wouldve been just some random chinese dude saying he had the right to rule so the more people took the principle seriously the more power it had to influence , and thats how we ended up with the mandate
there was no effective leadership after garvey was deported to jamaica.