Jews pray in a synagogue, like Church for Christians- Sabbath is a day of religious observance for Jews, and Kosher is the foods and drinks they consider religiously permitted, like Halal for Muslims.
Marx believed that the capitalist bourgeois and their economists were promoting what he saw as the lie that "the interests of the capitalist and of the worker are ... one and the same", therefore he believed that they did this by purporting the concept that "the fastest possible growth of productive capital" was best ... Okay this may help I THINK.
It was because his personality and it offended them
Answer
brought hardship, homelessness, and hunger to millions
rise of crime rate