A ramification is an event or situation that happens as a result of another action. When we think about it, a lot of things have consequences.
When politicians make new laws, they often don't think about all the potential problems that will arise from their decision. These problems are called the ramification of the law. It's like when you plant a tree and then realize years later that its roots are growing into your house - the tree was fine on its own, but now it's causing trouble!
A branching-out, the act or result of developing branches; specifically the divergence of the stem and limbs of a plant into smaller ones, or of similar developments in blood vessels, anatomical structures etc.
