Р278
БРАТЬ/ВЗЯТЬ В (СВОЙ) РУКИ что
VPsubj:
human or
collect) to take upon
o.s. the leadership or direction of
sth. , take responsibility for
sth. : X взял Y в свои руки = X took Y (the matter
etc) into his own handsX took charge (control) of Y
X взял инициативу в свои руки - X took the initiative
X взял власть в (свои) руки - X took power into his (own) hands.