Declaration of the National Anti-Slavery Convention was written by William Lloyd Garrison for the formation of the American Anti-Slavery Society in December 1833. It was reprinted in The Liberator on December 14, 1833. It is now available in the Public Domain.
You can also use the Optimized PDF option to crank the size down in very targeted ways. Given the big before/after shift, the culprit is probably the image you're embedding. Try exporting that file in various formats (PDF, jpg, png) and then import it.
Save a document as a PDF or XPS file. 1  Click the File tab. 2  Click Save As. 3  In the File name box, type a name for the file.  In the Save as type list, select PDF or XPS 1  Document. If the document is for viewing online only, you can compress the file size by clicking Minimum size (publishing online) next to Optimize  for.