The US Project to Develop the First Atom Bomb
This page is the CodyCross answer for the clue below from Taking Care of Our Planet, Group 1571, Puzzle 3 (Led Light Bulbs).
Question is: The US Project to Develop the First Atom Bomb
and the answer is: MANHATTAN
Word Meaning:
MANHATTAN — Alternative spelling of Manhattan (“cocktail”).
Definitions from Wiktionary.