1). The situations in which violence occurs and the nature of that violence…

In a sentence-rearrangement (para-jumble) question, first isolate the OPENER — the one sentence that introduces the topic in general terms, with no pronoun, connective, or reference word (‘so’, ‘even here’, ‘this’) pointing back to a claim that has not appeared yet, and no content that depends on a claim not yet made. Then chain the remaining sentences by matching each connective, reference word, or supporting illustration to the specific claim it depends on in an earlier sentence, until every sentence links to the one before it and the full set reads as one coherent paragraph.

1. Sentence 1 introduces the topic in general terms — “the situations in which violence occurs and the nature of that violence tends to be clearly defined at least in theory” — without depending on anything said elsewhere, so it must be the opener.

2. Sentence 3 opens with “Probably the only uncontrolled applications of force are… and even here there are probably some rules.” The phrase ‘even here’ continues sentence 1’s claim that violence is rule-bound: it names the one apparent exception (social superiors over inferiors) and immediately reins it back in, so sentence 3 follows sentence 1.

3. Sentence 4 supplies a concrete illustration of the very ‘rules’ sentence 3 has just introduced: even members of feuding families, bound by an obligation to kill, are genuinely appalled if an outsider is killed by mischance — evidence that only makes sense once the general claim about rule-bound violence (sentences 1 and 3) is already on the table, so sentence 4 follows sentence 3.

4. Sentence 2 opens with “So the actual risk to outsiders… is calculable.” The word ‘So’ draws its conclusion directly from the illustration in sentence 4: because even in a mutual blood feud an outsider’s death happens only by mischance and is met with genuine dismay — showing outsiders are excluded from the violence by an unspoken rule — the risk to an outsider becomes something that can be calculated. So sentence 2 must close the paragraph.

Testing the other offered sequences confirms this is the only fully connected chain:

• Sentence 4 is a concrete illustration that only makes sense as support for a general claim already stated; opening the passage with it presents the evidence before the claim it is meant to support, leaving its relevance unclear.

• The sequence 4123 chains sentence 1 straight into sentence 2 — the naive single-clue pairing that ignores the rest of the paragraph — leaving sentence 3’s exception clause stranded as a disconnected afterthought at the very end, disconnected from the general claim it was meant to qualify.

• The sequence 4213 places sentence 2’s conclusion right after sentence 4’s illustration, but sentence 1 then follows afterward as though introducing the topic for the first time, after a conclusion has already been drawn from it, and the passage closes with sentence 3’s exception clause referring to ‘rules’ that nothing earlier in this reading has actually established — the paragraph argues backward.

• The sequence 3214 opens with sentence 3, but ‘even here there are probably some rules’ has no prior claim about rules for it to qualify; it also draws sentence 2’s conclusion before sentence 4’s illustration, which is what that conclusion is actually drawn from.

Result: the coherent order is sentence 1 → sentence 3 → sentence 4 → sentence 2, i.e. the sequence ‘1342’.