I believe it is C, dulled sensory perception. decreased anxiety is another effect, but it's more long term.
Answer:
A, They mapped the land and reached the Pacific Ocean, helping the US set claim.
Add-on:
I hope this helped at all. I'm sorry if its incorrect.
this question seems to be missing some key information.
Map is basically, a visual representation of an area showing physical features such as roads, rail, land-forms etc.
There are several type of Map and these includes:
- Political Map
- Physical Map.
- Topographic Map.
- Climatic Map.
- Economic or Resource Map
- Road Map. ...
Now, for this structure and for the fact that the we need to see the land-forms in the photo, a physical map is the best map to use.
The Physical maps shows features such like building, rivers, mountains, lakes and so on in a particular area.
Learn more about Physical maps here
<em>brainly.com/question/3239106</em>
