Canada has a lot of natural resources -this is one of the reasons why it's in such a strong position. Another reason why it's so strong is that it has ports on both the Atlantic Coast and the Pacific coast - so it can trade with both Europe, Africa and Asia.
When the rocks are exposed, erosion begins
They used more than one bomb but to answer your question, They tested in present day Manhattan before releasing on Hiroshima and Nagsaki.
Try alabama, ohio and oregon
I believe the answer would be A