Factors leading to the expansion of the Texas frontier. Texas Frontier Timeline, 1866-1875 · Texas Frontier Timeline, 1876-1882 · U.S. Army on the Texas Frontier · Windmills · "Forting up" on the West Texas Frontier.
My answer is b
I hope this helps
Duma
The State Duma<span> was created in a wave of violent attacks against imperial officials and public upheaval, which culminated in a national strike in October 1905 known as Russian Revolution of 1905, paving the way for Russia's first parliament.</span>
"The name code talkers is strongly associated with bilingual Navajo speakers specially recruited during World War II by the US Marine Corps to serve in their standard communications units of the Pacific theater. Code talking, however, was pioneered by the Cherokee and Choctaw peoples during World War I.
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They sent and received verbally encrypted messages over radio to and from the battlefield during World War 1.
