Initially, Joseph McCarthy focused on an investigation into communism's influence on "<span>government and security," since this was thought to be the most dangerous to national security. He then shifted focus somewhat to the entertainment industry. </span>
The answers are as follow (in order)
<em>Roads and buildings.</em>
<em>Closer to enemies.</em>
<em>Trade routes.</em>
<em>A target for invaders.</em>
Brainliest please? Pretty sure my answer is superior compared to the other one... lol jk... unless? :3