How we cite our quotes: (Act.Section.Line)
Quote #1
And be it further enacted, That the legislative power of the Territory shall extend to all rightful subjects of legislation, consistent with the Constitution of the United States and the provisions of this act; but no law shall be passed interfering with the primary disposal of the soil […] the laws passed by the legislative assembly and governor shall be submitted to the Congress of the United States, and, if disapproved, shall be null and of no effect. (Texas.Section 7.1-2)
The territories get to make their own laws, but the federal government can nix them when they think that power belongs with the federal government instead. As seen during the nullification crisis of the early 1830s, though, it doesn't work the other way around.
Quote #2
And be it further enacted, That all township, district, and county officers not herein otherwise provided for, shall be appointed or elected, as the case may be, in such manner as shall be provided by the governor and legislative assembly of the Territory of New Mexico. The governor shall nominate, and, by and with the advice and consent of the legislative Council, appoint, an officers not herein otherwise provided for […] (Texas.Section 8.1-2)
Can you imagine if Congress had to define every single government position in every state? We'd be here for weeks.
Quote #3
And be it further enacted, That a delegate to the House of Representatives of the United States, to serve during each Congress of the United States, may be elected by the voters qualified to elect members of the legislative assembly, who shall be entitled to the same rights and privileges as are exercised and enjoyed by the delegates from the several other Territories of the United States to the said House of Representatives. (Texas.Section 14.1)
As new territories were created and absorbed into the United States, the federal government made sure they got the same representation in Congress as the other territories. After all, you don't want the new kids to be treated unfairly, or no one will want to play with them.