Complete the following sentence: The Louisiana Purchase doubled the size of the United States, and today forms much of the center of the country. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ <unk> <unk> <unk>
assassinated in September of that year.<unk> assassinated in September of that year.