• place or arrange (things) in a straight line

Synonyms: line up, range, arrange in line, put in order, put in rows/columns, straighten (up)

• give support to (a person, organization, or cause)

Synonyms: join forces with, join up with, form an alliance with, ally with, align oneself with, link up with, go into league with, combine with, join fortunes with, make common cause with