Question

Why did prime minister Diefenbaker refuse to accept american nuclear warheads but then Prime minister lester b pearson in 1963 signed a pact to arm bomarc missiles with american warheads? and how does this affect canada in 2016

Answer 1

Basically two different political viewpoints but see:

http://www.thecanadianencyclopedia.ca/en/article/bomarc-missile-crisis/