If the following sentences made up a paragraph, which would be the thesis statement?
O A. Cotton is easy to wash, dry, and iron.
O B. For a variety of reasons, cotton is arguably the most important
fabric known to humankind.
O C. All manner of clothing and other items can be made exclusively
from cotton.
D. Cotton is a versatile fabric that is cheap to produce.

By this statement, Robert Putnam meant that the informal social ties promote more efficient bureaucracy than the formal sectors.

Explanation:

In this analogy given by Robert Putnam, he represented the informal social ties with the choral societies and the formal social tie with the health sector.

There is always delay in  processes and activities due to an inefficient bureaucracy in these formal settings. The informal social ties handle bureaucracy  more efficiently than the formal setting