Answer:
In the early 1900s prior to Oklahoma becoming a state the leaders of the five tribes would most likely have agreed with the statement "Oklahoma Territory and Indian Territory should merge into one state".
Explanation:
The Central American Indian territory was situated in the United States. Although Congress passed multiple Organic Acts that supported much of the initial Indian country with a road to statehood.The Indian Territory has been reduced to what is now Oklahoma.
The Territory of Oklahoma was an established territory of the United States that operated from 2 May 1890 until 16 November 1907 when it was replaced by a new constitution with the Indian Territory and was integrated to the Union as "the State of Oklahoma".