Most companies have entered the global marketplace and . a. gradually; incrementally b. immediately; all at once c. gradually; all at once d. thoughtfully; all at once e. immediately; incrementally

Gradually and incrementally

Explanation:

The reason is that the consumer purchasing power changes were very low and were increasing when started flowing towards the villages and small towns. The most of the people in world were living in the villages and lower number of people were living in cities. Furthermore, the transportation of goods from one city to another city used to consume a day wage of the employee. So the companies existence in international market start growing with the increase in the employment and needs and wants of the people. This increased the demand and the companies started moving to other countries with very slow pace but was growing with time.