I’m am fairly certain this is called Cassgender.
One of the ways is through the wind. The pollen then needs to be very light, and have a shape that supports being carried by the wind. It is then caught by the sticky surface of the stigma.
Another way is through animals, such as bees. The bees feed on the flowers and the pollen sticks to their legs. When they fly off to another flower, they will leave the trace of this pollen there. In fact many flowers attract bees for this reason, with their colour or smell.
The communist Manifesto was written by Karl Marx and by Friedrich Engels- Engels is the person you were looking for!
There is some discussion about the role of both authors in writing it, and some people suggest that Karl Marx did most of the work, with Engels having a smaller role.
B - Attachment is an important component of an infant's social-emotional, cognitive, and physical development. Without attachment to a certain individual; usually a parent, being present .The child will suffer from abnormal development in most cases.