Question: Din Eidyn fell to the Angles in 638 and became part of the Anglian kingdom of Northumbria.
The language spoken Northumbria in in 638 was Old English.

Answer: it is not possible to tell

Question: When labor gets involved in politics, this is not a detour from its real job of negotiating wages and hours.
Labor in politics is not bad, for it continues the negotiation of wages and hours.

Answer: yes

Question: it's it's probably safer at least now can't get hit this way you know
Since we can't get hit that way I bet it's safer.

Answer:
yes