The answer is through Globalization
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:
A nonstop flight to Europe
Answer is B U-Boat activity
A for sure because section in main idea in the sub section are details that why