Add punctuation: But not only has the bourgeoisie forged the weapons that bring death to itself it has also called into existence the men who are to wield those weapons the modern working class the proletarians
A: But not only has the bourgeoisie forged the weapons that bring death to itself; it has also called into existence the men who are to wield those weapons the modern working class the proletarians.

Add punctuation: We are pleased by your interest in our homepage and our firm However despite careful internal controls we cannot take responsibility for external links to foreign content
A: We are pleased by your interest in our homepage and our firm. However, despite careful internal controls, we cannot take responsibility for external links to foreign content.

Add punctuation: The MIP and the regulation on enforcement respond to the challenge of better monitoring macroeconomic developments with this new tool to help prevent and correct imbalances
A:
The MIP and the regulation on enforcement respond to the challenge of better monitoring macroeconomic developments with this new tool to help prevent and correct imbalances.