Why do intelligence officials caution against nationalism and communism

SAN FRANCISCO—In the fall of 1989, during the Cold War’s wan and washed-out final months, the Berlin Wall was crumbling—and so was San Francisco. The powerful Loma Prieta earthquake, the most destructive to hit the region in more than 80 years, felled entire apartment buildings. Freeway overpasses shuddered and collapsed, swallowing cars like a sandpit. Sixty-three people were killed and thousands injured. And local Soviet spies, just like many other denizens of the Bay Area, applied for their share of the nearly $3.5 billion in relief funds allocated by President George H.W. Bush.

1) Hughes invented Hughes Aircraft in 1932 which helped form many ideas and inventions in aerospace tech.

2) Hughes drill bit was named "Rock Eater" because it penetrated medium and hard work with 10 times more speed then any former bit.

3) (I don't know if were still talking about the drill bit or what but here's my answer for that) "Rock Eater" found virtually all the oil discovered in the glory days of wildcatting, making Howard the richest man in the world at the time.

4) "Rock Eater" penetrated 14 feet of hard rock in 11 hours which no previous equipment had been able to penetrate.

5) It greatly effected the oil industry and the Hughes Tool Company.

Explanation:

(Really hope this helps!! Sorry if any of these are incorrect, if they are I am very very sorry! Have a lovely day by the way! <3)