1. What kinds of social situations might lead to the lack of internal or external controls?

1. lack of internal control

Take sex drive as example.

When one failed to hold the rushing hormone in blood veins, actions like over-intimated body touch or verbally harassments might occur.

To a more severe extent, illegally intercourse which against another's will might happen also.

2. lack of external control

Take gang war as example.

Despite the psychological reasons behind,

a group of bulk muscled men with some might carry weapons, tend to become an extremely tricky situation even just to start a tiny quarrel.

Without concerning laws and punishment afterwards, these violent movements shows the aftermath of ignoring society regulations.