Why did we change the pledge of allegiance the first time?

In 1954, in response to the Communist threat of the times, President Eisenhower encouraged Congress to add the words "under God," creating the 31-word pledge we say today. ur welcome

Explanation:

the difference is that white collar worker performs skills like worker as a scientist or well blue collars do physical work and they do services like being a cook.

map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. for example, on a 1: 100000 scale map, 1cm on the map equals 1km on the ground.