There is no such thing as "Mormon Territory". Members of the Church of Jesus Christ of Latter-day Saints (the "Mormon" church) are found throughout the world, an 60% live outside the United States.
Utah territory
There is no such thing as "Mormon territory". Mormons live all around the world. There was a brief time in the mid 1800's when the Mormons sought to establish their own state, which would have been called Deseret. It covered all of modern day Utah and parts of Idaho, Nevada, California, Arizona, New Mexico, Colorado, and Wyoming.
Utah Territory was originally settled by Mormon pioneers seeking religious freedom. Religon had everything to do with it.
The Florida territory is now known as just Florida. it is located in the Southern part of the United States.
Brigham Young lead the first group of Mormon Pioneers to Utah Territory (which was then Mexico) in 1847.
The Mormon Trail was a transcontinental trail that lead from the eastern states to Utah. It did nothing in bringing Utah Territory into the United States, aside from enabling the population to grow large enough for the territory to become a state. In fact, the trail ended almost 30 years before Utah became a state!
The Church of Jesus Christ of Latter-day Saints (the "Mormon" church).
It was located in Persia
The Yukon territory is located in Canada.
Brisbane is located in a state not a territory, that state is Queensland
No. The Australian landform known as Uluru is in the Northern Territory. It is located in the far south of the Territory. The state of Queensland is directly east of the Northern Territory.
Nevada became a territory in 1861, several years after a Mormon Battalion in the Mexican War discovered gold and silver in the area of Virginia City.