Use "fifthly" in a sentence

1. Fifthly, we should take identities and cultures into account

2. Fifthly, we should take identities and cultures into account.

3. Fifthly, ban at long last the right of direct access in the USA to airline company files.

4. Fifthly , he made a strong plea for developing international contacts and an independent foreign policy for India .

5. Fifthly, we lucubrate the chaotic characteristic of the real hopping frequency codes and propose the chaotic model of hopping frequency codes.

6. Fifthly, the screen background and conception. "Mountain Ghost", the goddesses of nature is ever-changing scenery as the background color slightly virtual myth.