All my border corners make 90-degree angles. My official bird is the seagull, though I am landlocked. What state am I?

Utah,

the gull is utah's bird.

"a shortage of traditional labor created new opportunities in the workplace. a major cause of the internment of japanese americans during world war ii was. racial prejudice. in the early 1940's, the "destroyers-for-military-bases deal" with great britain and the lend-lease act were evidence that the united states."