You can adjust text alignment for selected paragraphs.
Click in a paragraph or select a group of paragraphs you want to adjust.
Choose Format > Text, and then choose an alignment:
Align Left: Places each line of text against the left margin.
Center: Centers each line of text.
Justify: Spaces characters in each line so that the lines reach both the left and the right margins.
Align Right: Sets each line of text against the right margin.