Question

los alamos facilities: extensive facilities and testing sites in los alamos, new mexico were integral to the projects success. budget allocation: a striking 90% of the projects budget was dedicated to construction, highlighting the scale and significance of the infrastructure. identification of uranium - 235 uranium - 235 emerged as the critical element for the development of the atomic weapon. pivotal role: the projects success hinged on the identification of uranium - 235 as the key element in the atomic weapon. scientific breakthrough: understanding the properties of uranium - 235 represented a critical advancement with profound consequences. where was the manhattan project located? washington, d.c. los alamos, new mexico manhattan, new york

Explanation:

The Manhattan Project had extensive facilities in Los Alamos, New Mexico, as indicated in the provided text. This was a key location for the project's development of the atomic weapon.

Answer:

B. Los Alamos, New Mexico