Community redevelopment programs are primarily directed towards . a. preventing pollution in commercial and residential properties
b. improving property values by eliminating blighted buildings
c. establishing basic sanitation in urban environments and communities
d. cleaning up abandoned, unused, and polluted properties

the answer is; comparing the frequency of collisions with and without the device

this makes the anti-collision system an independent variable and the collisions a dependent variable. if there are fewer collisions with an anti-collision system that without, then it can be stated that the system is a success. essentially, collisions under an anti-collision system are compared with the frequency of collisions by cars with the human drivers.

can you make it bigger i can't see it

ok yes, but what is the question? as soon as you ask the actual question i will answer it. : )