Answer:
the threat of invasion and
An issue that troubled her reign for its entirety was her lack of a husband and heir, a situation which she and others realized could potentially ignite a successional crisis upon her death. Still, she never married, perhaps because she preferred to keep power to herself.
Explanation:
I had a test with a question like this but we had options and I put answer D. Gunpowder. And it was right so idk about u
Europeans
Hope this helps :)
