Question

order the topics from broadest to narrowest.
broader
infrastructure projects conducted by the public works administration
bridge - building projects conducted by the public works administration
historic infrastructure projects of the 20th century
historic infrastructure projects of president roosevelt’s new deal
narrower

Explanation:

Step1: Analyze the scope of each topic

• "historic infrastructure projects of the 20th century" covers all infrastructure projects in the 20th century, which is the broadest.
• "historic infrastructure projects of President Roosevelt’s New Deal" is a subset of the 20th - century infrastructure projects, focusing on Roosevelt's New Deal.
• "Infrastructure projects conducted by the Public Works Administration" is a type of infrastructure project, more specific than the first two as it focuses on the Public Works Administration.
• "bridge - building projects conducted by the Public Works Administration" is a subset of the Public Works Administration's infrastructure projects, focusing on bridge - building, so it is the narrowest.

Step2: Order from broadest to narrowest

1. historic infrastructure projects of the 20th century
2. historic infrastructure projects of President Roosevelt’s New Deal
3. Infrastructure projects conducted by the Public Works Administration
4. bridge - building projects conducted by the Public Works Administration

Answer:

1. historic infrastructure projects of the 20th century
2. historic infrastructure projects of President Roosevelt’s New Deal
3. Infrastructure projects conducted by the Public Works Administration
4. bridge - building projects conducted by the Public Works Administration