The first test case for Reconstruction took place on Island in South Carolina in 1861, where the Union Army tried to redistribute land to the freedmen.

     The first test cast for reconstruction took place on Port Royal island in South Carolina in 1861. This event was marked by the union army redistributing land to freed slaves.

     The Port Royal experiment describes the  first major effort by Northerners to reconstruct the Southern political and economic system.

    This effort began  seven months after the firing on Fort Sumter. The Union army which occupied the sea islands of south Carolina freed an estimated 10,000 slaves.

   These former slaves successfully worked on the land abandoned by planters.

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The correct answer to this open question is the following.

Although there are no options attached, we can say the following.

The first test case for Reconstruction took place on Sea Island or Port Royal in South Carolina in 1861, where the Union Army tried to redistribute land to the freedmen.

We are talking about a moment in the history of the United States in 1861, when the Union Army invaded and capture Sea Island, in South Carolina. There they established a project called "Port Royal Experiment." The Union made this place a work center for former slaves that worked the farm fields that had been left behind by southern landlords. Historians think that 9000 to 10,000 black people stayed on the island when white people abandon it due to the Civil War.

c. troops marched forward in close formation against newer, more accurate weapons