Why did Karl Marx move from Germany to Paris in 1843?

Karl Marx moved from Germany to Paris in 1843 primarily because the Prussian authorities had suspended the Rheinische Zeitung, the newspaper he edited, for being too outspoken.1

Following this closure, Marx agreed to coedit a new review titled the Deutsch-französische Jahrbücher ("German-French Yearbooks") with the liberal Hegelian Arnold Ruge. This publication was intended to be based in Paris, prompting his relocation. Once in Paris, Marx became deeply involved in the city's socialist and communist circles, which significantly influenced his development into a revolutionary thinker.1