2. **role of XXX state:** XXXXX XXX XXXXXXXXXX in their XXXXX XX the XXXX XX XXX state. XXXX, XXXXXXXXXX in XXX XXXXX writings, leaned XXXXXX XXX idea XX a "withering away XX XXX XXXXX" in XXX XXXXXXXXXX XX communism. XXXXXX, however, XXXXXXXXXXXX the XXXX XXX a XXXXXXXXXXXX XXXXX XX XXXXXXX XXX XXXXXXXXX XXXXXXXXXXXXXX.
X. **XXXXXXXXXXX XXXXXXXXXXX:** engels is credited with formalizing the XXXXXXX XX XXXXXXXXXXX XXXXXXXXXXX, XXXXX XXXXXXX XXXXXXXXXX XX the natural XXX XXXXXX XXXXXXXX. marx's XXXXX was more on historical materialism, XXXXXXXXXXX XXX XXXXXXXXX XX societies through XXXXXXXXXX XXXXXXXXX.
in XXXXXXX, XXXX and XXXXXX were XXXXXXXXXXXX XXXXXXXXXXXXX, XXXX XXXX contributing more XX theoretical XXXXXXXXXXX XXX engels playing a XXXX in XXXXXXXXXXXX and XXXXXXXXXXXXX marxist XXXXX. XXXXX joint efforts laid XXX groundwork for a XXXXXXXX impact XX XXXXXXXXX thought and XXXXXX movements XXXXXXXXX.