Archive page returning ALL posts, not just the specific category I want

I’m amending a pre-purchased template (Karma) and have added a sidebar with widgets to display a link to archives. (screenshot below).
https://img840.imageshack.us/img840/1820/s392341525websitehomeco.jpg

This is the code I’m using for the page above:-
https://pastebin.com/zqFUMADV

This is the code for the sidebar widget (which displays the links to the archive pages):-
https://pastebin.com/qErvMCBP

Finally, the archive.php page code
https://pastebin.com/j1jztST9

I’ve already tried removing the sidebar code from Archive.php to no avail. Any help would be much appreciated.