Language, religion, art, technology.
Explanation:
One: the Church is one. This means that it is a single, united and global Church which has its basis in Christ Jesus. Holy: the Church is holy, because it is the Body of Christ with Jesus as the head. ... It means that the Church and her sacraments help to make the faithful holy.
The problem was an increase in the number of cars.
Many people will tell you that Los Angeles is the city of the automobile. They famous LA highways and roads are featured in many forms of art be that movies or novels. The car is a symbol of Los Angeles. But that also created many problems such as high traffic, which results in long standstills and increase in pollution.
Congress passed a serious of neutrality acts in the late 1930’s