En las décadas de 1950 y 1960, los programas de renovación urbana crearon más viviendas de las que destruyeron. O Verdadero Falso​

option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

explanation:

answer: to communicate with people on the other side.

explanation:

c) troops march forward in close formation against newer, more accurate weapons

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step-by-step explanation: