Yes you may apply for and get B1/B2 visitor visa in addition to your credit member's visa.

Period between the form I-751 and citizenship?

You are not required to renew your "green card." Expiration of the card does not affect your status of a Lawful Permanent Resident.

When to start E2 application process when coming to the US on an F2 Visa?

Process of obtaining E2 is more under control by you when you are in the United States in a long-playing non-immigrant status, such as F2. Consult...

You did not say what application you filed. If it was the I-360 VAWA self-petition, you may file I-485 and I-765 and upon receiving of your "work...

Hello NATURALIZATION

https://www.uscis.gov/sites/default/files/document/forms/attachments.pdf

I-485 still may be granted if the immigrant visa petition is substituted. Consult with an immigration attorney.

How do I apply for my Norwegian husband to receive residency?

Step 1 - the I-130 immigrant visa petition by you for his benefit. Step 2 - consular process for his IMMIGRANT visa. Step 3 - he comes to the...

With the K1 fiancé visa it happens that the I-129F application is approved, but the visa is constructively denied. Marriage in Mexico, I-130, and...

Does this period of detention count towards unlawful presence?

Yes. BTW, Improper Entry is a federal crime 8 USC 1325. https://www.law.cornell.edu/uscode/text/8/1325.

You are about to receive it in mail. Perhaps in 2-3 of weeks.