"US History, Etc": HTML5 Crossword

Across

1. Current governor of Pennsylvania (7)
6. Largest bay in the US (10)
10. Largest river in the US (11)
12. Only US president from Pennsylvania (8)
14. US war the occurred between WWII and Vietnam (6)
15. In which continent was most WWI mostly fought? (6)
16. County you are currently in (5)
17. Largest state (by area) in the US (6)

Down

2. US president at the started of WWII (9)
3. Vice President under Donald Trump (5)
4. Most populated city in the US (7)
5. Most populated state in the US (10)
7. Also known as the War of Independence (10)
8. Number of original colonies (8)
9. What conflict included the Battle of Gettysburg? (8)
11. First vice president of United States (5)
13. Current vice president of the United States (6)