Suffrage is the right to vote. In the picture two men are exiting a building after voting. This image showcases the two gentlemen exercising their suffrage.
Ratification is formal approval. In the image the man in the middle had just had his request for the town ratified. The man's excitement is due to his suggestion finally being ratified.
A constitution is a set of basic principles that determines the power and duties of a government. In the image congress is seen writing the US Constitution. This was written after the Articles of Confederation.