Land was needed to gain power so the need for bigger, stronger ships was needed so that they could be sailed through the rough oceans without being sank to reach land
Explanation:
Blitzkrieg was too effective for its own good. The huge advancements it made on the USSR meant that it became more difficult to fight them as they needed supplies which were hard to get as they were deep into Russia territory.
Secretary of State William Seward's decision to purchase Alaska was controversial. Public opinion during the period was influenced by newspapers, which sneered at what they called "Seward's Folly" or "Seward's Icebox." They saw no reason to purchase the land from Russia
The U.S. in 1846 was not justified in going to war with Mexico, they didn't have justification to respond with violence.
